National Stock number : 5305-01-212-4521
Machine Screw
| Available Quantity | 4,416 |
| Available Conditions | NS NE |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 03/25/2026 |
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
Machine Screw
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
1.045in. and 1.124in. ⁓1-1/8"
Fastener Length
1.109in. and 1.156in. ⁓1-5/32"
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 Material Document And Classification
MIL-S-5000 mil spec 1st material response or MIL-S-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response
Screw Surface Treatment
cadmium and chromate
Screw Surface Treatment Document And Classification
QQ-P-416, ty 2, cl 2 fed spec single treatment response
Thread Series Designator
unjf
Specification/standard Data
80205-NAS1801 professional/industrial association standard
