National Stock number : 5305-01-379-1177
Cap Socket Head Screw
| Available Quantity | 485 |
| Available Conditions | NE |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 05/12/2025 |
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
1.375in. ⁓1-3/8"
Fastener Length
2.670in. and 2.750in. ⁓2-3/4"
Head Style
flat chamfer
Head Diameter
0.642in. and 0.656in.
Head Height
0.430in. and 0.437in. ⁓7/16"
Internal Drive Style
hexagon
Nominal Thread Diameter
0.438in. ⁓29/64"
Width Across Flats
0.375in. and 0.379in. ⁓25/64"
Thread Quantity Per Inch
20
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
