National Stock number : 5310-00-987-1294
Flat Washer
| Available Quantity | 769 |
| Available Conditions | AR NS NE |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318220000 |
| Stock Check Date | 01/14/2026 |
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
0.396in. and 0.416in. ⁓27/64"
Peripheral Shape Style
round
Center Hole Shape Style
1 round
Thickness
0.192in. and 0.206in. ⁓7/32"
Overall Diameter
1.115in. and 1.135in. ⁓1-9/64"
End Item Identification
mrap - cougar
Hardness Rating
35.0 rockwell c and 38.0 rockwell c
Special Features
material heat treatment is quenched and tempered
Material
steel comp 4130 or steel comp 8640 or steel comp 4140 or steel comp 1050
Material Document And Classification
QQ-S-624 fed spec 1st material response or QQ-3-626 fed spec 1st material response or QQ-S-624 fed spec 2nd material response or QQ-S-624 fed spec 3rd material response or QQ-S-626 fed spec 3rd material response or QQ-S-635 fed spec 4th material response
Surface Treatment
zinc
