National Stock number : 5306-01-303-7391
Shoulder Bolt
| Available Quantity | 581 |
| Available Conditions | NS NE |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 12/11/2025 |
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
Shoulder Bolt
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.345in. and 0.395in. ⁓13/32"
Fastener Length
1.043in. and 1.073in. ⁓1-5/64"
Head Style
dished hexagon
Head Height
0.125in. and 0.140in. ⁓9/64"
Width Between Flats
0.429in. and 0.439in.
Shoulder Diameter
0.2797in. first shoulder and 0.2807in. first shoulder
Shoulder Length
0.678in. first shoulder and 0.698in. first shoulder
Nominal Thread Diameter
0.250in. ⁓1/4"
Thread Quantity Per Inch
28
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Shoulder Shape
round first shoulder
Material
steel comp E4340 or steel comp 8740
Material Document And Classification
MIL-S-5000 mil spec 1st material response or MIL-S-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response
Surface Treatment
cadmium and chromate
Surface Treatment Document And Classification
QQ-P-416 ty 2 cl 2 fed spec single treatment response
Thread Series Designator
unjf
