Retaining Rings - Internal - Spiral Rings - Medium Duty - Stainless Steel

8 Products in this selection
  • Includes AI / WH / AS3217 / RR / MIL-R-27426B1 - Stainless Steel.
  • Popular series that will accommodate light and medium bearing series thrust loads.
  • Available in military and aerospace specifications.
  • Equivalent to Associated Spring: AI, Smalley: WH, Spirolox and Ramsey: RR, Aerospace AS3217, MIL-R-27426B1
Additional resources:
Spiral Rings and Snap Rings PDF
A more concise listing may be found on the Smallparts store at Retaining Rings - Internal - Spiral Rings - Medium Duty - Stainless Steel. Smallparts promote the most popular MBA products.
Housing Bore (B) Clip Thickness (T) Groove Dia. (Dg) Approx. Loose Circlip OD (Dr) Radial Wall (S) Groove Width (W) Indicative
Image
Housing Bore (B)
15.88
mm

(0.625 in.)
Clip Thickness (T)
0.64
mm
+/- 0.06
(0.025 in.)
Groove Dia. (Dg)
16.53
mm

(0.651 in.)
Approx. Loose Circlip OD (Dr)
16.58
mm
+ 0.33 / - 0.00
Radial Wall (S)
1.14
mm
+/- 0.10
Groove Width (W)
0.80
mm
+/- 0.05
Internal Retaining Rings - 15.88x0.64x16.53 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Approx. Loose Clip ID: 14.3 +/- 0.04   Groove Depth (d): 0.33   
Part Number: RR-062-S02 (10 Pcs) Internal Retaining Rings - 15.88x0.64x16.53 mm - Stainless Steel 302/304 Similar to A2, 18-8
48 units (480 pcs) Available Immediately | Further orders can be expected around Sun, Jun 08, 2025
$4.14 AUD
$4.14 AUD
Per 10
Housing Bore (B) Clip Thickness (T) Groove Dia. (Dg) Approx. Loose Circlip OD (Dr) Indicative
Image
Housing Bore (B)
15.88
mm

(0.625 in.)
Clip Thickness (T)
0.64
mm
+/- 0.06
(0.025 in.)
Groove Dia. (Dg)
16.53
mm

(0.651 in.)
Approx. Loose Circlip OD (Dr)
16.58
mm
+ 0.33 / - 0.00
Internal Retaining Rings - 15.88x0.64x16.53 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Radial Wall (S): 1.14 mm +/- 0.10    Groove Width (W): 0.80 mm +/- 0.05   Approx. Loose Clip ID: 14.3 +/- 0.04   Groove Depth (d): 0.33   
Part Number: RR-062-S02 (10 Pcs) Internal Retaining Rings - 15.88x0.64x16.53 mm - Stainless Steel 302/304 Similar to A2, 18-8
48 units (480 pcs) Available Immediately | Further orders can be expected around Sun, Jun 08, 2025
$4.14 AUD
$4.14 AUD
Per 10
View the product page first if you are unsure.
Housing Bore (B)
19.05
mm

(0.75 in.)
Clip Thickness (T)
0.79
mm
+/- 0.05
(0.031 in.)
Groove Dia. (Dg)
19.86
mm

(0.782 in.)
Approx. Loose Circlip OD (Dr)
19.89
mm
+ 0.33 / - 0.00
Radial Wall (S)
1.65
mm
+/- 0.10
Groove Width (W)
0.95
mm
+/- 0.05
Internal Retaining Rings - 19.05x0.79x19.86 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Approx. Loose Clip ID: 16.59 +/- 0.04   Groove Depth (d): 0.41   
Part Number: RR-075-S02 (38 Pcs) Internal Retaining Rings - 19.05x0.79x19.86 mm - Stainless Steel 302/304 Similar to A2, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
$14.86 AUD
$14.86 AUD
Per 38
Housing Bore (B)
19.05
mm

(0.75 in.)
Clip Thickness (T)
0.79
mm
+/- 0.05
(0.031 in.)
Groove Dia. (Dg)
19.86
mm

(0.782 in.)
Approx. Loose Circlip OD (Dr)
19.89
mm
+ 0.33 / - 0.00
Internal Retaining Rings - 19.05x0.79x19.86 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Radial Wall (S): 1.65 mm +/- 0.10    Groove Width (W): 0.95 mm +/- 0.05   Approx. Loose Clip ID: 16.59 +/- 0.04   Groove Depth (d): 0.41   
Part Number: RR-075-S02 (38 Pcs) Internal Retaining Rings - 19.05x0.79x19.86 mm - Stainless Steel 302/304 Similar to A2, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
$14.86 AUD
$14.86 AUD
Per 38
View the product page first if you are unsure.
Housing Bore (B)
25.40
mm

(1 in.)
Clip Thickness (T)
0.94
mm
+/- 0.05
(0.037 in.)
Groove Dia. (Dg)
26.50
mm

(1.043 in.)
Approx. Loose Circlip OD (Dr)
26.52
mm
+ 0.33 / - 0.00
Radial Wall (S)
1.91
mm
+/- 0.11
Groove Width (W)
1.11
mm
+/- 0.07
Internal Retaining Rings - 25.4x0.94x26.5 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Approx. Loose Clip ID: 22.7 +/- 0.03   Groove Depth (d): 0.53   
Part Number: RR-100-S02 Internal Retaining Rings - 25.4x0.94x26.5 mm - Stainless Steel 302/304 Similar to A2, 18-8
80 Available Immediately | Further orders can be expected around Sun, Jun 08, 2025
$7.59 AUD
$7.59 AUD
Each
Housing Bore (B)
25.40
mm

(1 in.)
Clip Thickness (T)
0.94
mm
+/- 0.05
(0.037 in.)
Groove Dia. (Dg)
26.50
mm

(1.043 in.)
Approx. Loose Circlip OD (Dr)
26.52
mm
+ 0.33 / - 0.00
Internal Retaining Rings - 25.4x0.94x26.5 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Radial Wall (S): 1.91 mm +/- 0.11    Groove Width (W): 1.11 mm +/- 0.07   Approx. Loose Clip ID: 22.7 +/- 0.03   Groove Depth (d): 0.53   
Part Number: RR-100-S02 Internal Retaining Rings - 25.4x0.94x26.5 mm - Stainless Steel 302/304 Similar to A2, 18-8
80 Available Immediately | Further orders can be expected around Sun, Jun 08, 2025
$7.59 AUD
$7.59 AUD
Each
View the product page first if you are unsure.
Housing Bore (B)
41.28
mm

(1.625 in.)
Clip Thickness (T)
1.25
mm
+/- 0.08
(0.049 in.)
Groove Dia. (Dg)
42.77
mm

(1.684 in.)
Approx. Loose Circlip OD (Dr)
43.10
mm
+ 0.51 / - 0.00
Radial Wall (S)
2.74
mm
+/- 0.10
Groove Width (W)
1.47
mm
+/- 0.13
Internal Retaining Rings - 41.28x1.25x42.77 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Approx. Loose Clip ID: 37.62 +/- 0.05   Groove Depth (d): 0.76   
Part Number: RR-162-S02 (2 Pcs) Internal Retaining Rings - 41.28x1.25x42.77 mm - Stainless Steel 302/304 Similar to A2, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
$10.59 AUD
$10.59 AUD
Per 2
Housing Bore (B)
41.28
mm

(1.625 in.)
Clip Thickness (T)
1.25
mm
+/- 0.08
(0.049 in.)
Groove Dia. (Dg)
42.77
mm

(1.684 in.)
Approx. Loose Circlip OD (Dr)
43.10
mm
+ 0.51 / - 0.00
Internal Retaining Rings - 41.28x1.25x42.77 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Radial Wall (S): 2.74 mm +/- 0.10    Groove Width (W): 1.47 mm +/- 0.13   Approx. Loose Clip ID: 37.62 +/- 0.05   Groove Depth (d): 0.76   
Part Number: RR-162-S02 (2 Pcs) Internal Retaining Rings - 41.28x1.25x42.77 mm - Stainless Steel 302/304 Similar to A2, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
$10.59 AUD
$10.59 AUD
Per 2
View the product page first if you are unsure.
Housing Bore (B)
44.45
mm

(1.75 in.)
Clip Thickness (T)
1.25
mm
+/- 0.08
(0.049 in.)
Groove Dia. (Dg)
46.05
mm

(1.813 in.)
Approx. Loose Circlip OD (Dr)
46.41
mm
+ 0.51 / - 0.00
Radial Wall (S)
3.00
mm
+/- 0.10
Groove Width (W)
1.47
mm
+/- 0.13
Internal Retaining Rings - 44.45x1.25x46.05 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Approx. Loose Clip ID: 40.41 +/- 0.05   Groove Depth (d): 0.79   
Part Number: RR-175-S02 (50 Pcs) Internal Retaining Rings - 44.45x1.25x46.05 mm - Stainless Steel 302/304 Similar to A2, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
$201.50 AUD
$201.50 AUD
Per 50
Housing Bore (B)
44.45
mm

(1.75 in.)
Clip Thickness (T)
1.25
mm
+/- 0.08
(0.049 in.)
Groove Dia. (Dg)
46.05
mm

(1.813 in.)
Approx. Loose Circlip OD (Dr)
46.41
mm
+ 0.51 / - 0.00
Internal Retaining Rings - 44.45x1.25x46.05 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Radial Wall (S): 3.00 mm +/- 0.10    Groove Width (W): 1.47 mm +/- 0.13   Approx. Loose Clip ID: 40.41 +/- 0.05   Groove Depth (d): 0.79   
Part Number: RR-175-S02 (50 Pcs) Internal Retaining Rings - 44.45x1.25x46.05 mm - Stainless Steel 302/304 Similar to A2, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
$201.50 AUD
$201.50 AUD
Per 50
View the product page first if you are unsure.
Housing Bore (B)
90.47
mm

(3.562 in.)
Clip Thickness (T)
1.55
mm
+/- 0.08
(0.061 in.)
Groove Dia. (Dg)
93.27
mm

(3.672 in.)
Approx. Loose Circlip OD (Dr)
94.45
mm
+ 0.76 / - 0.00
Radial Wall (S)
5.03
mm
+/- 0.13
Groove Width (W)
1.79
mm
+/- 0.15
Internal Retaining Rings - 90.47x1.55x93.27 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Approx. Loose Clip ID: 84.39 +/- 0.06   Groove Depth (d): 1.42   
Part Number: RR-356-S02 Internal Retaining Rings - 90.47x1.55x93.27 mm - Stainless Steel 302/304 Similar to A2, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
$9.77 AUD
$9.77 AUD
Each
Housing Bore (B)
90.47
mm

(3.562 in.)
Clip Thickness (T)
1.55
mm
+/- 0.08
(0.061 in.)
Groove Dia. (Dg)
93.27
mm

(3.672 in.)
Approx. Loose Circlip OD (Dr)
94.45
mm
+ 0.76 / - 0.00
Internal Retaining Rings - 90.47x1.55x93.27 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Radial Wall (S): 5.03 mm +/- 0.13    Groove Width (W): 1.79 mm +/- 0.15   Approx. Loose Clip ID: 84.39 +/- 0.06   Groove Depth (d): 1.42   
Part Number: RR-356-S02 Internal Retaining Rings - 90.47x1.55x93.27 mm - Stainless Steel 302/304 Similar to A2, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
$9.77 AUD
$9.77 AUD
Each
View the product page first if you are unsure.
Housing Bore (B)
101.60
mm

(4 in.)
Clip Thickness (T)
1.55
mm
+/- 0.08
(0.061 in.)
Groove Dia. (Dg)
104.75
mm

(4.124 in.)
Approx. Loose Circlip OD (Dr)
106.07
mm
+ 0.76 / - 0.00
Radial Wall (S)
5.54
mm
+/- 0.13
Groove Width (W)
1.79
mm
+/- 0.15
Internal Retaining Rings - 101.6x1.55x104.75 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Approx. Loose Clip ID: 94.99 +/- 0.06   Groove Depth (d): 1.57   
Part Number: RR-400-S02 Internal Retaining Rings - 101.6x1.55x104.75 mm - Stainless Steel 302/304 Similar to A2, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
$48.68 AUD
$48.68 AUD
Each
Housing Bore (B)
101.60
mm

(4 in.)
Clip Thickness (T)
1.55
mm
+/- 0.08
(0.061 in.)
Groove Dia. (Dg)
104.75
mm

(4.124 in.)
Approx. Loose Circlip OD (Dr)
106.07
mm
+ 0.76 / - 0.00
Internal Retaining Rings - 101.6x1.55x104.75 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Radial Wall (S): 5.54 mm +/- 0.13    Groove Width (W): 1.79 mm +/- 0.15   Approx. Loose Clip ID: 94.99 +/- 0.06   Groove Depth (d): 1.57   
Part Number: RR-400-S02 Internal Retaining Rings - 101.6x1.55x104.75 mm - Stainless Steel 302/304 Similar to A2, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
$48.68 AUD
$48.68 AUD
Each
View the product page first if you are unsure.
Housing Bore (B)
168.28
mm

(6.625 in.)
Clip Thickness (T)
2.19
mm
+/- 0.11
(0.086 in.)
Groove Dia. (Dg)
172.90
mm

(6.807 in.)
Approx. Loose Circlip OD (Dr)
175.68
mm
+ 1.40 / - 0.00
Radial Wall (S)
7.93
mm
+/- 0.16
Groove Width (W)
2.47
mm
+/- 0.20
Internal Retaining Rings - 168.28x2.19x172.9 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Approx. Loose Clip ID: 159.82 +/- 0.08   Groove Depth (d): 2.31   
Part Number: RR-662-S02 Internal Retaining Rings - 168.28x2.19x172.9 mm - Stainless Steel 302/304 Similar to A2, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
$51.41 AUD
$51.41 AUD
Each
Housing Bore (B)
168.28
mm

(6.625 in.)
Clip Thickness (T)
2.19
mm
+/- 0.11
(0.086 in.)
Groove Dia. (Dg)
172.90
mm

(6.807 in.)
Approx. Loose Circlip OD (Dr)
175.68
mm
+ 1.40 / - 0.00
Internal Retaining Rings - 168.28x2.19x172.9 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Radial Wall (S): 7.93 mm +/- 0.16    Groove Width (W): 2.47 mm +/- 0.20   Approx. Loose Clip ID: 159.82 +/- 0.08   Groove Depth (d): 2.31   
Part Number: RR-662-S02 Internal Retaining Rings - 168.28x2.19x172.9 mm - Stainless Steel 302/304 Similar to A2, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
$51.41 AUD
$51.41 AUD
Each
View the product page first if you are unsure.