National Stock number : 5305-00-950-4518
Cap Socket Head Screw
| Available Quantity | 10,324 |
| Available Conditions | NS NE AR SV |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 04/16/2026 |
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
0.158in. and 0.250in. ⁓1/4"
Fastener Length
0.250in. ⁓1/4"
Head Style
flat chamfer
Head Diameter
0.218in. and 0.226in.
Head Height
0.134in. and 0.138in. ⁓9/64"
Hole Diameter
0.033in. and 0.039in. ⁓3/64"
Internal Drive Style
hexagon
Nominal Thread Diameter
0.138in. (UTS #6)
Width Across Flats
0.109in. and 0.111in. ⁓1/8"
Hole Quantity
2
Hole Type
drilled
Thread Quantity Per Inch
32
Minimum Tensile Strength
180000 pounds per square inch
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Minimum Yield Strength
130000 pounds per square inch
Hole Configuration Style
round internal hexagon
Material
steel
Material Document And Classification
66 fed std single material response
Surface Treatment
cadmium and chromate
Surface Treatment Document And Classification
QQ-P-416, type 2, class 3 fed spec all treatment responses
Thread Series Designator
unc
