National Stock number : 5310-01-197-6421
Flat Washer
| Available Quantity | 6,342 |
| Available Conditions | NS NE AR |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318220000 |
| Stock Check Date | 06/17/2026 |
Part-Number.info Quality System
- ISO 9001:2015 + AS9120B Certifed
- Audited supply chain
- Counterfeit Parts Prevention
- 100% Product Inspections
- 7 Year Record Retention
- HAZMAT Certified
- ITAR and DDTC Registered
Product Properties
Description
Flat Washer
Cross-sectional Shape Style
rectangular
Hole Diameter
0.656in. and 0.667in. ⁓43/64"
Peripheral Shape Style
round
Center Hole Shape Style
1 round
Thickness
0.073in. and 0.087in. ⁓3/32"
Overall Diameter
1.050in. and 1.070in. ⁓1-5/64"
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Material
steel comp 8630 or steel comp 4130 or steel comp 4135
Material Document And Classification
MIL-S-1872 mil spec 1st material response or MIL-S-18729 mil spec 2nd material response or MIL-S-18733 mil spec 3rd material response
Surface Treatment
nickel and cadmium
Surface Treatment Document And Classification
ams 2416 fed std single treatment response
