National Stock number : 5306-00-005-0743
Close Tolerance Bolt
| Available Quantity | 363 |
| Available Conditions | NS NE |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 06/03/2026 |
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
0.310in. and 0.377in. ⁓25/64"
Fastener Length
1.665in. and 1.685in. ⁓1-11/16"
Head Style
dished hexagon
Head Height
0.157in. and 0.172in. ⁓11/64"
Width Between Flats
0.492in. and 0.502in.
Grip Diameter
0.3108in. and 0.3117in.
Shank Unthreaded Hole Diameter
0.076in. first hole and 0.086in. first hole
Nominal Thread Diameter
0.312in. ⁓5/16"
Grip Length
1.188in. and 1.204in.
Thread Quantity Per Inch
24
Hardness Rating
36.0 rockwell c and 41.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
1.550in. first hole and 1.580in. 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
