National Stock number : 5305-01-088-7426
Cap Socket Head Screw
| Available Quantity | 3,817 |
| Available Conditions | NS NE |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 09/16/2025 |
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
0.451in. and 0.652in. ⁓21/32"
Fastener Length
0.862in. and 0.872in. ⁓7/8"
Internal Drive Style
hexagon
Nominal Thread Diameter
0.250in. ⁓1/4"
Width Across Flats
0.156in. and 0.159in. ⁓11/64"
Thread Quantity Per Inch
28
Minimum Tensile Strength
180000 pounds per square inch
Surface Finish
32.0 microinches grip
Special Features
double lead modified minor dia. threads
Material
steel comp 4140 or steel comp 8740
Material Document And Classification
MIL-S-5626 mil spec 1st material response or MIL-S-6049 mil spec 2nd material response
Surface Treatment
cadmium and chromate
Surface Treatment Document And Classification
QQ-P-416 TY2 CL2 fed spec single treatment response
Thread Series Designator
unf
