National Stock number : 5310-00-964-8588
Flat Washer
| Available Quantity | 964 |
| Available Conditions | NE NS |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318220000 |
| Stock Check Date | 06/23/2026 |
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
0.656in. ⁓21/32"
Peripheral Shape Style
round
Center Hole Shape Style
1 round
Thickness
0.250in. ⁓1/4"
Overall Diameter
1.250in. ⁓1-1/4"
Hardness Rating
33.0 rockwell c and 38.0 rockwell c
Material
steel comp 4130 or steel comp 4140
Material Document And Classification
QQ-S-624 fed spec 1st material response or QQ-S-626 fed spec 2nd material response
Surface Treatment
cadmium
Surface Treatment Document And Classification
QQ-P-416, ty 1, cl 2 fed spec single treatment response
