National Stock number : 5305-01-165-4158
Close Tolerance Screw
| Available Quantity | 7 |
| Available Conditions | NS NE |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 09/12/2025 |
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
0.516in. and 0.556in. ⁓9/16"
Fastener Length
0.838in. and 0.858in. ⁓55/64"
Head Style
oval countersunk
Head Diameter
0.355in. and 0.397in.
Grip Diameter
0.2490in. and 0.2495in.
Internal Drive Style
hexagon
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
0.302in. and 0.322in.
Width Across Flats
0.1565in. and 0.1587in. ⁓11/64"
Thread Quantity Per Inch
28
Minimum Tensile Strength
160000 pounds per square inch
Countersink Angle
100.0 degrees
Surface Finish
32.0 microinches threads
Special Features
3 keyways 0.743 in. min and 0.773 in. max long, 0.040 in. min and 0.044 in max wide machined in shank. bore machined in thread end to receive plug
Material
iron alloy 660
Material Document And Classification
ams 5732 assn std single material response
Surface Treatment
passivate
Surface Treatment Document And Classification
QQ-P-35 fed spec single treatment response
Thread Series Designator
unjf
