National Stock number : 5306-00-637-7857
Internal Wrenching Bolt
| Available Quantity | 1,391 |
| Available Conditions | NS SV NE |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 11/10/2025 |
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
Internal Wrenching Bolt
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.537in. ⁓35/64"
Fastener Length
2.923in. and 2.953in. ⁓2-61/64"
Head Style
BEVEL-Conical
Head Diameter
0.521in. and 0.531in.
Head Height
0.312in. ⁓5/16"
Internal Drive Style
hexagon
Nominal Thread Diameter
0.312in. ⁓5/16"
Width Across Flats
0.219in. and 0.221in. ⁓15/64"
Thread Quantity Per Inch
24
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
34.0 rockwell c and 40.0 rockwell c
Material
steel comp 4140 or steel comp E4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
Material Document And Classification
MIL-S-5626 mil spec 1st material response or MIL-S-5000 mil spec 2nd material response or MIL-S-8503 mil spec 3rd material response or MIL-S-6098 mil spec 4th material response or MIL-S-6049 mil spec 5th 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
unf
