Collection: Retaining Rings - Internal - Spiral Rings - Medium-Heavy - Stainless Steel

1 Item Available
  • Includes Series AMI / WHT / Spirolox RRT - Stainless Steel.
  • Originally designed to fit NAS50-51 grooves, this series is a popular OEM specification.
  • This two/three turn design is easier to install than the heavy duty RRN option.
  • Equivalent to Associated Spring: AMI, Smalley: WHT, Spirolox and Ramsey: RRT
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-Heavy - 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)
31.75
mm

(1.25 in.)
Clip Thickness (T)
1.27
mm
+/- 0.05
(0.05 in.)
Groove Dia. (Dg)
33.53
mm

(1.32 in.)
Approx. Loose Circlip OD (Dr)
33.72
mm
+ 0.38 / - 0.00
Radial Wall (S)
2.36
mm
+/- 0.10
Groove Width (W)
1.47
mm
+/- 0.10
Internal Retaining Rings - 31.75x1.27x33.53 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Approx. Loose Clip ID: 29 +/- 0.05   Groove Depth (d): 0.89   
Part Number: RRT-125-S02 Internal Retaining Rings - 31.75x1.27x33.53 mm - Stainless Steel 302/304 Similar to A2, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $8.14 AUD
Regular price Sale price $8.14 AUD
Each
Housing Bore (B) Clip Thickness (T) Groove Dia. (Dg) Approx. Loose Circlip OD (Dr) Indicative
Image
Housing Bore (B)
31.75
mm

(1.25 in.)
Clip Thickness (T)
1.27
mm
+/- 0.05
(0.05 in.)
Groove Dia. (Dg)
33.53
mm

(1.32 in.)
Approx. Loose Circlip OD (Dr)
33.72
mm
+ 0.38 / - 0.00
Internal Retaining Rings - 31.75x1.27x33.53 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Radial Wall (S): 2.36 mm +/- 0.10    Groove Width (W): 1.47 mm +/- 0.10   Approx. Loose Clip ID: 29 +/- 0.05   Groove Depth (d): 0.89   
Part Number: RRT-125-S02 Internal Retaining Rings - 31.75x1.27x33.53 mm - Stainless Steel 302/304 Similar to A2, 18-8
Out of Stock | Backorder Now | Orders can be expected around Sun, Jun 08, 2025
Regular price $8.14 AUD
Regular price Sale price $8.14 AUD
Each
View the product page first if you are unsure.