National Stock number : 5305-01-379-9914
Cap Socket Head Screw
| Available Quantity | 867 |
| Available Conditions | NS NE |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 09/10/2025 |
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 Socket Head Screw
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
1.125in. ⁓1-1/8"
Fastener Length
2.210in. and 2.250in. ⁓2-1/4"
Head Style
flat chamfer
Head Diameter
0.457in. and 0.469in.
Head Height
0.306in. and 0.312in. ⁓5/16"
Internal Drive Style
hexagon
Nominal Thread Diameter
0.312in. ⁓5/16"
Width Across Flats
0.250in. and 0.253in. ⁓17/64"
Thread Quantity Per Inch
24
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
33.0 rockwell c and 42.0 rockwell c
Material
iron alloy 660
Material Document And Classification
AMS5731 assn std single material response or AMS5737 assn std single material response
Surface Treatment
passivate
Surface Treatment Document And Classification
QQ-P-35 fed spec single treatment response
Thread Series Designator
unrf
Specification/standard Data
80205-NAS1531 professional/industrial association standard
