National Stock number : 5305-00-536-8556
Assembled Washer Screw
| Available Quantity | 3,037 |
| Available Conditions | NE NS AR |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 01/21/2026 |
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
Assembled Washer Screw
Thread Class
2a
Thread Direction
RIGHT-Hand
Thread Length
0.500in. and 0.540in. ⁓35/64"
Fastener Length
0.609in. and 0.649in. ⁓21/32"
Head Style
fillister
Head Diameter
0.250in. and 0.270in.
Head Height
0.091in. and 0.106in. ⁓7/64"
Washer Quantity
2
Internal Drive Style
slot
Nominal Thread Diameter
0.164in. (UTS #8)
Thread Quantity Per Inch
32
Hardness Rating
20.0 rockwell c and 36.0 rockwell c
Secondary Washer Relationship To Primary Washer
not identical
Secondary Washer Style
flat
Primary Washer Outside Diameter
0.250in.
Secondary Washer Outside Diameter
0.312in.
Primary Washer Style
split helical ring
Primary Washer Material Thickness
0.032in.
Secondary Washer Material Thickness
0.032in.
Material
steel comp 1010 or steel comp 1020
Surface Treatment
cadmium
Surface Treatment Document And Classification
ams 2400 assn std single treatment response
Thread Series Designator
unc
