National Stock number : 5310-01-242-7449
Flat Washer
| Available Quantity | 5,353 |
| Available Conditions | NE NS |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318220000 |
| Stock Check Date | 03/23/2026 |
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
0.255in. and 0.265in. ⁓17/64"
Peripheral Shape Style
round
Center Hole Shape Style
1 round
Thickness
0.028in. and 0.036in. ⁓3/64"
Overall Diameter
0.490in. and 0.510in. ⁓33/64"
Hardness Rating
39.0 rockwell c and 45.0 rockwell c
Material
steel comp 4130
Material Document And Classification
MIL-S-6758 mil spec 1st material response or MIL-S-18729 mil spec 2nd material response
Surface Treatment
cadmium and chromate
Surface Treatment Document And Classification
QQ-P-416, type 2, class 2 fed spec all treatment responses
