National Stock number : 5305-00-880-1436
Machine Screw
| Available Quantity | 31,945 |
| Available Conditions | NE NS SV |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 10/30/2025 |
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
Machine Screw
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.250in. and 0.312in. ⁓5/16"
Fastener Length
0.281in. and 0.312in. ⁓5/16"
Head Style
pan
Head Diameter
0.306in. and 0.322in.
Head Height
0.105in. and 0.115in. ⁓1/8"
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.164in. (UTS #8)
Thread Quantity Per Inch
32
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Screw Material
steel comp 8630
Screw Material Document And Classification
MIL-S-6050 mil spec single material response or AN-S-9 mil std single material response
Screw Surface Treatment
cadmium and chromate
Screw Surface Treatment Document And Classification
QQ-P-416, ty 2 cl 3 fed spec all treatment responses
Thread Series Designator
unc
