National Stock number : 5306-00-121-8911
Close Tolerance Bolt
| Available Quantity | 930 |
| Available Conditions | NS NE |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 11/24/2025 |
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
Close Tolerance Bolt
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.282in. and 0.333in. ⁓11/32"
Fastener Length
1.418in. and 1.438in. ⁓1-29/64"
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
1.000in. and 1.016in.
Thread Quantity Per Inch
28
Hardness Rating
36.0 rockwell c and 41.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
1.318in. first hole and 1.348in. first hole
Surface Finish
63.0 microinches grip
Special Features
w/retaining element on shank
Material
steel
Material Document And Classification
MIL-B-83050 mil spec single material response
Surface Treatment
cadmium and chromate
Surface Treatment Document And Classification
QQ-P-416 ty 2 cl 2 fed spec all treatment responses
Thread Series Designator
unjf
