National Stock number : 5306-00-182-1893
Close Tolerance Bolt
| Available Quantity | 830 |
| Available Conditions | NS NE |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 12/16/2025 |
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
0.531in. ⁓17/32"
Fastener Length
1.719in. ⁓1-23/32"
Head Style
hexagon
Head Height
0.172in. and 0.204in. ⁓7/32"
Width Between Flats
0.490in. and 0.502in.
Grip Diameter
0.3112in. and 0.3117in.
Nominal Thread Diameter
0.312in. ⁓5/16"
Grip Length
1.188in.
Thread Quantity Per Inch
24
Minimum Tensile Strength
125000 pounds per square inch
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Surface Finish
63.0 microinches grip
Material
steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4140 or steel comp 4130 or steel comp 4037
Material Document And Classification
MIL-S-6049 mil spec 1st material response or MIL-S-6050 mil spec 2nd material response or MIL-S-6098 mil spec 3rd material response or MIL-S-5626 mil spec 4th material response or MIL-S-6758 mil spec 5th material response or ams 6300 assn std 6th material response
Surface Treatment
cadmium and chromate
Surface Treatment Document And Classification
QQ-P-416, ty 2, cl 3 fed spec all treatment responses
Thread Series Designator
unf
