National Stock number : 5305-00-257-6137
Cap Socket Head Screw
| Available Quantity | 12,012 |
| Available Conditions | NS NE |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 04/30/2026 |
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
0.288in. and 0.381in. ⁓25/64"
Fastener Length
0.407in. and 0.438in. ⁓29/64"
Head Style
flat countersunk
Head Diameter
0.231in. and 0.279in.
Locking Feature
patch threads or pellet threads or strip threads
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.138in. (UTS #6)
Thread Quantity Per Inch
32
Minimum Tensile Strength
160000 pounds per square inch
Countersink Angle
99.0 degrees and 101.0 degrees
Surface Finish
32.0 microinches threads
Material
iron alloy 660
Material Document And Classification
ams 5737 assn std single material response
Surface Treatment
passivate
Surface Treatment Document And Classification
QQ-P-35 fed spec single treatment response
Thread Series Designator
unjc
Specification/standard Data
80205-NAS1189 professional/industrial association standard
