National Stock number : 5306-00-679-9829
Ribbed Shoulder Bolt
| Available Quantity | 273 |
| Available Conditions | NS NE |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 05/19/2026 |
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
Ribbed Shoulder Bolt
Thread Class
2a
Thread Direction
RIGHT-Hand
Thread Length
1.094in. and 1.250in. ⁓1-1/4"
Fastener Length
2.500in. ⁓2-1/2"
Head Style
pan no. 2
Head Diameter
0.938in.
Head Height
0.281in. ⁓9/32"
Shoulder Diameter
0.677in. first shoulder and 0.687in. first shoulder
Shoulder Length
0.750in. first shoulder
Rib Major Diameter
0.677in. and 0.687in.
Rib Length
0.688in.
Distance From Largest Diameter Of Bearing Surface Of Head To Ribs
0.062in.
Rib Minor Diameter
0.651in. and 0.656in.
Rib Quantity
40
Nominal Thread Diameter
0.625in. ⁓5/8"
Features Provided
casehardened
Thread Quantity Per Inch
18
Hardness Rating
30.0 rockwell c and 35.0 rockwell c
Shoulder Shape
ribbed first shoulder
Material
steel comp 1340 or steel comp 4140 or steel comp 5140 or steel comp 8640
Surface Treatment
cadmium
Surface Treatment Document And Classification
QQ-P-416, ty 1, cl 3 fed spec single treatment response
Thread Series Designator
unf
