National Stock number : 5305-01-274-8613
Close Tolerance Screw
| Available Quantity | 249 |
| Available Conditions | NE NS |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 10/24/2025 |
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
Close Tolerance Screw
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.240in. ⁓1/4"
Fastener Length
0.845in. and 0.875in. ⁓7/8"
Head Style
flat countersunk
Head Diameter
0.480in. and 0.530in.
Internal Drive Style
hexagon
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
0.162in.
Width Across Flats
0.156in. ⁓5/32"
Thread Quantity Per Inch
28
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 45.0 rockwell c
Countersink Angle
80.0 degrees and 84.0 degrees
Material
steel corrosion resisting
Surface Treatment
oxide
Thread Series Designator
unf
