National Stock number : 5305-01-589-7413
Cap Socket Head Screw
| Available Quantity | 179 |
| Available Conditions | NS NE |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 11/13/2025 |
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
0.312in. ⁓5/16"
Fastener Length
0.312in. ⁓5/16"
Head Style
flat countersunk
Head Diameter
0.371in. and 0.385in.
Locking Feature
patch locking feature
Internal Drive Style
HIGH-Torque
Nominal Thread Diameter
0.190in. (UTS #10)
Thread Quantity Per Inch
323
Countersink Angle
99.0 degrees and 101.0 degrees
Material
steel
Material Document And Classification
nas 498 assn std single material response
Surface Treatment
cadmium and chromate
Surface Treatment Document And Classification
QQ-P-416, type ii, class 2 fed spec single treatment response
Thread Series Designator
unjf
