Washers - Disc Spring - Flange Locking Type

3 Products in this selection
  • Used under the nuts or bolt head in bolted flange joints that are subject to thermal or mechanical shock.
  • The discs deflect and move with the bolted joint
  • Helps to compensate for loosening that may develop preventing damage and leaks caused by thermal expansion, contraction and shock.
  • Made from 17.7 PH Stainless Steel.
  • Temperature range minus 220 to +300o Celsius
  • Load tolerance +/- 20% of load shown.
Additional resources:
Disc Spring Washers PDF
Screws
A more concise listing may be found on the Smallparts store at Washers - Disc Spring - Flange Locking Type. Smallparts promote the most popular MBA products.
Nominal OD (De) Nominal ID (D) Thickness (C) Suits Bolt Size Load At Flat Indicative
Image
Nominal OD (De)
18.10
mm

(0.713 in.)
Nominal ID (D)
9.90
mm
+ 0.20 / - 0.00
(0.39 in.)
Thickness (C)
2.03
mm

(0.08 in.)
Suits Bolt Size
3/8 in
Load At Flat
544.0
Kg
+/- 20 Perc
Disc Spring Washers - 18.1x9.9x2.03 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Free Height (E): 2.18 mm    Inside Height (D): 0.15 mm   
Part Number: W0099-D-018-020-F-C Disc Spring Washers - 18.1x9.9x2.03 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
$9.95 AUD
$9.95 AUD
Each
Nominal OD (De) Nominal ID (D) Thickness (C) Indicative
Image
Nominal OD (De)
18.10
mm

(0.713 in.)
Nominal ID (D)
9.90
mm
+ 0.20 / - 0.00
(0.39 in.)
Thickness (C)
2.03
mm

(0.08 in.)
Disc Spring Washers - 18.1x9.9x2.03 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Suits Bolt Size: 3/8 in    Load At Flat: 544.0 Kg +/- 20 Perc   Free Height (E): 2.18 mm    Inside Height (D): 0.15 mm   
Part Number: W0099-D-018-020-F-C Disc Spring Washers - 18.1x9.9x2.03 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
$9.95 AUD
$9.95 AUD
Each
View the product page first if you are unsure.
Nominal OD (De)
22.80
mm

(0.898 in.)
Nominal ID (D)
13.10
mm
+ 0.20 / - 0.00
(0.516 in.)
Thickness (C)
2.26
mm

(0.089 in.)
Suits Bolt Size
1/2 in
Load At Flat
952.0
Kg
+/- 20 Perc
Disc Spring Washers - 22.8x13.1x2.26 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Free Height (E): 2.54 mm    Inside Height (D): 0.28 mm   
Part Number: W0131-D-023-023-F-C Disc Spring Washers - 22.8x13.1x2.26 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
$6.41 AUD
$6.41 AUD
Each
Nominal OD (De)
22.80
mm

(0.898 in.)
Nominal ID (D)
13.10
mm
+ 0.20 / - 0.00
(0.516 in.)
Thickness (C)
2.26
mm

(0.089 in.)
Disc Spring Washers - 22.8x13.1x2.26 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Suits Bolt Size: 1/2 in    Load At Flat: 952.0 Kg +/- 20 Perc   Free Height (E): 2.54 mm    Inside Height (D): 0.28 mm   
Part Number: W0131-D-023-023-F-C Disc Spring Washers - 22.8x13.1x2.26 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
$6.41 AUD
$6.41 AUD
Each
View the product page first if you are unsure.
Nominal OD (De)
34.60
mm

(1.362 in.)
Nominal ID (D)
19.80
mm
+ 0.30 / - 0.00
(0.78 in.)
Thickness (C)
3.33
mm

(0.131 in.)
Suits Bolt Size
3/4 in
Load At Flat
2313.0
Kg
+/- 20 Perc
Disc Spring Washers - 34.6x19.8x3.33 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Free Height (E): 3.81 mm    Inside Height (D): 0.48 mm   
Part Number: W0198-D-035-033-F-C Disc Spring Washers - 34.6x19.8x3.33 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
$20.41 AUD
$20.41 AUD
Each
Nominal OD (De)
34.60
mm

(1.362 in.)
Nominal ID (D)
19.80
mm
+ 0.30 / - 0.00
(0.78 in.)
Thickness (C)
3.33
mm

(0.131 in.)
Disc Spring Washers - 34.6x19.8x3.33 mm - Carbon Spring Steel Self Finish
Material: Carbon Spring Steel Self Finish    Suits Bolt Size: 3/4 in    Load At Flat: 2313.0 Kg +/- 20 Perc   Free Height (E): 3.81 mm    Inside Height (D): 0.48 mm   
Part Number: W0198-D-035-033-F-C Disc Spring Washers - 34.6x19.8x3.33 mm - Carbon Spring Steel Self Finish
Out of Stock | Backorder Now | Orders can be expected around Tue, Jun 03, 2025
$20.41 AUD
$20.41 AUD
Each
View the product page first if you are unsure.