National Stock number : 5306-01-478-6440
Close Tolerance Bolt
| Available Quantity | 2,456 |
| Available Conditions | NS NE SV AR |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 03/27/2026 |
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 Length
0.469in. ⁓15/32"
Fastener Length
1.941in. and 1.971in. ⁓1-63/64"
Head Style
hexagon
Head Height
0.552in. ⁓9/16"
Width Between Flats
0.492in. and 0.502in.
Grip Diameter
0.3115in. and 0.3125in.
Nominal Thread Diameter
0.312in. ⁓5/16"
Grip Length
1.521in. and 1.541in.
Thread Quantity Per Inch
24
Material
iron alloy 660
Material Document And Classification
AMS5731, AMS5732, AMS5737 assn std 1st material response or AMS5353 assn std 2nd material response
Surface Treatment
cadmium
Surface Treatment Document And Classification
QQ-P-416, TYPE2, CLASS2 fed spec 1st treatment response
Thread Series Designator
unjf
