National Stock number : 5306-01-052-5813
Close Tolerance Bolt
| Available Quantity | 398 |
| Available Conditions | NS NE |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 03/31/2026 |
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
0.283in. and 0.333in. ⁓11/32"
Fastener Length
1.231in. and 1.251in. ⁓1-17/64"
Head Style
dished hexagon
Head Height
0.126in. and 0.141in. ⁓9/64"
Width Between Flats
0.430in. and 0.439in.
Grip Diameter
0.2483in. and 0.2492in.
Shank Unthreaded Hole Diameter
0.076in. first hole and 0.086in. first hole
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
0.812in. and 0.828in.
Thread Quantity Per Inch
28
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
1.131in. first hole and 1.161in. first hole
Surface Finish
63.0 microinches grip
Special Features
retaining element in shank
Material
steel comp E4340 or steel comp 4340 or steel comp 4140 or steel comp 8740 or steel comp 4130 or steel comp 6150
Surface Treatment
cadmium and chromate
Surface Treatment Document And Classification
QQ-P-416, type 2, class 2 fed spec single treatment response
Thread Series Designator
unjf
