National Stock number : 5305-00-156-2870
Machine Screw
| Available Quantity | 15,482 |
| Available Conditions | NS NE SV AR |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 08/19/2025 |
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
2a
Thread Direction
RIGHT-Hand
Thread Length
0.250in. and 0.312in. ⁓5/16"
Fastener Length
0.281in. and 0.312in. ⁓5/16"
Head Style
flat countersunk
Head Diameter
0.249in. and 0.279in.
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.138in. (UTS #6)
Thread Quantity Per Inch
32
Minimum Tensile Strength
55000 pounds per square inch
Countersink Angle
80.0 degrees and 82.0 degrees
Screw Material
steel or steel comp 1010
Screw Material Document And Classification
QQ-S-630 fed spec 2nd material response or QQ-S-631 fed spec 2nd material response or QQ-S-634 fed spec 2nd material response
Screw Surface Treatment
cadmium
Screw Surface Treatment Document And Classification
QQ-P-416, ty 1, cl 3 fed spec single treatment response
Thread Series Designator
unc
