National Stock number : 5305-01-337-3254
Cap Socket Head Screw
| Available Quantity | 6,998 |
| Available Conditions | NS NE |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 03/23/2026 |
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 Socket Head Screw
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.220in. and 0.312in. ⁓5/16"
Fastener Length
0.282in. and 0.312in. ⁓5/16"
Head Style
flat chamfer
Head Diameter
0.218in. and 0.226in.
Head Height
0.134in. and 0.138in. ⁓9/64"
Locking Feature
patch threads
Internal Drive Style
hexagon
Nominal Thread Diameter
0.138in. (UTS #6)
Width Across Flats
0.109in. and 0.111in. ⁓1/8"
Thread Quantity Per Inch
32
Minimum Tensile Strength
180000 pounds per square inch
Hardness Rating
39.0 rockwell c fastener and 45.0 rockwell c fastener
Material
plastic polyamide locking featuresteel fastener
Surface Treatment
cadmium fastener and chromate fastener
Surface Treatment Document And Classification
QQ-P-416 ty 2 cl 2 fed spec single treatment response fastener
Thread Series Designator
unrc
Specification/standard Data
80205-NAS1352 professional/industrial association standard
