National Stock number : 5305-01-038-0350
Cap Socket Head Screw
| Available Quantity | 2,645 |
| Available Conditions | NE NS |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 12/11/2025 |
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
0.151in. and 0.244in. ⁓1/4"
Fastener Length
0.281in. and 0.312in. ⁓5/16"
Head Style
flat countersunk
Head Diameter
0.270in. and 0.332in.
Locking Feature
patch threads
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.164in. (UTS #8)
Thread Quantity Per Inch
32
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Countersink Angle
100.0 degrees
Surface Finish
32.0 microinches threads
Material
steel comp 4140 or steel comp E4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
Material Document And Classification
MIL-S-5626 mil spec 1st material response or MIL-S-5000 mil spec 2nd material response or MIL-S-8503 mil spec 3rd material response or MIL-S-6098 mil spec 4th material response or MIL-S-6049 mil spec 5th material response
Surface Treatment
cadmium
Surface Treatment Document And Classification
QQ-P-416, ty 1, cl 3 fed spec single treatment response
Thread Series Designator
unjc
Specification/standard Data
80205-NAS1189 professional/industrial association standard
