National Stock number : 5306-01-498-2071
Externally Relieved Body Bolt
| Available Quantity | 339 |
| Available Conditions | NE NS |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 01/29/2026 |
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
Externally Relieved Body Bolt
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.526in. and 0.546in. ⁓35/64"
Fastener Length
1.125in. ⁓1-1/8"
Head Style
hexagon
Head Height
0.156in. ⁓5/32"
Width Between Flats
0.430in. and 0.439in.
First Diameter From Head
0.221in. and 0.231in.
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.315in. and 0.375in.
End Item Identification
F-22
Nominal Thread Diameter
0.250in. ⁓1/4"
Thread Quantity Per Inch
28
Hardness Rating
42.0 rockwell c and 46.0 rockwell c
Externally Relieved Body Diameter Quantity
1
Part Name Assigned By Controlling Agency
bolt, machine, hexagon head, steel, .250-28 UNJF-3A
Special Features
bolt, hex hd
Material
steel comp 601
Material Document And Classification
ams 6304 assn std single material response
Surface Treatment
nickel and cadmium
Surface Treatment Document And Classification
ams 2416 assn std all treatment responses
Thread Series Designator
unjf
