National Stock number : 5305-01-280-8708
Cap Hexagon Head Screw
| Available Quantity | 29,640 |
| Available Conditions | NS NE AR |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 04/16/2026 |
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
Cap Hexagon Head Screw
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.538in. and 0.656in. ⁓21/32"
Fastener Length
0.609in. and 0.656in. ⁓21/32"
Head Style
hexagon
Head Height
0.125in. and 0.140in. ⁓9/64"
Width Between Flats
0.367in. and 0.376in.
Nominal Thread Diameter
0.250in. ⁓1/4"
Thread Quantity Per Inch
28
Minimum Tensile Strength
160000 pounds per square inch
Surface Finish
63.0 microinches bearing surface of head
Material
iron alloy 660
Material Document And Classification
ams 5731 assn std single material response or ams 5737 assn std single material response
Surface Treatment
passivate
Surface Treatment Document And Classification
QQ-P-35 fed spec single treatment response
Thread Series Designator
unjf
Specification/standard Data
80205-NAS1802 professional/industrial association standard
