National Stock number : 5305-01-054-6268
Close Tolerance Screw
| Available Quantity | 1,530 |
| Available Conditions | NS NE |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 04/15/2026 |
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
Close Tolerance Screw
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.403in. ⁓13/32"
Fastener Length
0.638in. and 0.668in. ⁓43/64"
Head Style
flat countersunk
Head Diameter
0.350in. and 0.399in.
Grip Diameter
0.2485in. and 0.2495in.
Internal Drive Style
hexagon
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
0.240in. and 0.260in.
Thread Quantity Per Inch
28
Minimum Tensile Strength
220000 pounds per square inch
Hardness Rating
46.0 rockwell c and 49.0 rockwell c
Countersink Angle
100.0 degrees
Material
steel
Material Document And Classification
ams 6487 assn std single material response
Surface Treatment
cadmium
Surface Treatment Document And Classification
nas 672 assn std single treatment response
Thread Series Designator
unjf
