National Stock number : 5306-00-292-5872
Close Tolerance Bolt
| Available Quantity | 619 |
| Available Conditions | NE NS |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 02/11/2026 |
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 Bolt
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.437in. and 0.516in. ⁓33/64"
Fastener Length
1.265in. and 1.312in. ⁓1-5/16"
Head Style
hexagon
Head Height
0.140in. and 0.172in. ⁓11/64"
Width Between Flats
0.428in. and 0.440in.
Grip Diameter
0.2487in. and 0.2492in.
Shank Unthreaded Hole Diameter
0.070in. first hole
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
0.796in. and 0.828in.
Thread Quantity Per Inch
28
Minimum Tensile Strength
125000 pounds per square inch
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
1.124in. first hole
Surface Finish
63.0 microinches grip
Material
steel comp 431
Material Document And Classification
MIL-S-18732 mil spec single material response
Surface Treatment
passivate
Thread Series Designator
unf
