National Stock number : 5305-01-438-8446
Machine Screw
| Available Quantity | 311 |
| Available Conditions | NE NS |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 12/11/2025 |
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
1.151in. and 1.198in. ⁓1-13/64"
Fastener Length
1.234in. and 1.281in. ⁓1-9/32"
Head Style
hexagon
Head Height
0.156in. and 0.171in. ⁓11/64"
Width Between Flats
0.429in. and 0.439in.
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.312in. ⁓5/16"
Thread Quantity Per Inch
24
Minimum Tensile Strength
160000 pounds per square inch
Screw Material
steel comp E4340 or steel comp 8740
Screw Surface Treatment
cadmium and chromate
Screw Surface Treatment Document And Classification
QQ-P-416, TY2, CL2 fed spec single treatment response
Thread Series Designator
unjf
Specification/standard Data
80205-NAS1801 professional/industrial association standard
