National Stock number : 5310-01-101-1856
Recessed Washer
| Available Quantity | 10,073 |
| Available Conditions | NE NS SV |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318220000 |
| Stock Check Date | 05/07/2026 |
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
Recessed Washer
Hole Diameter
0.376in. and 0.380in. ⁓25/64"
Outside Diameter
0.702in. and 0.712in.
Recess Diameter
0.497in. and 0.507in.
Material Thickness
0.071in. and 0.085in.
Hardness Rating
39.0 rockwell c and 45.0 rockwell c
Recess Angle
90.0 degrees
Material
steel comp 4130
Material Document And Classification
MIL-S-6758 mil spec 1st material response and MIL-S-18729 mil spec 2nd material response
Surface Treatment
cadmium
Surface Treatment Document And Classification
QQ-P-416, type 2, class 2 fed spec single treatment response
Style Designator
15 recessed
