National Stock number : 5305-00-839-7089
Machine Screw
| Available Quantity | 41,880 |
| Available Conditions | NE NS AR |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 01/30/2026 |
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
0.532in. ⁓35/64"
Fastener Length
0.594in. ⁓19/32"
Head Style
pan
Head Diameter
0.473in. and 0.492in.
Head Height
0.162in. and 0.175in. ⁓3/16"
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.250in. ⁓1/4"
Thread Quantity Per Inch
28
Minimum Tensile Strength
125000 pounds per square inch
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Screw Material
steel
Screw Surface Treatment
cadmium and chromate
Thread Series Designator
unf
