National Stock number : 5305-01-591-0381
Close Tolerance Screw
| Available Quantity | 361 |
| Available Conditions | NE |
| Classification | Screws - FSC 5305 |
| Schedule B | 7508900000 |
| Stock Check Date | 02/11/2026 |
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
Close Tolerance Screw
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.469in. ⁓15/32"
Fastener Length
1.329in. and 1.359in. ⁓1-23/64"
Head Style
fillister countersunk
Head Diameter
0.390in. and 0.395in.
Head Height
0.015in. ⁓1/64"
Grip Diameter
0.249 mils and 0.250 centimeters
Point Length
0.045in.
Point Style
flat
Internal Drive Style
HIGH-Torque
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
0.875 in.
Thread Quantity Per Inch
28
Countersink Angle
99.0 degrees and 101.0 degrees
Point Chamfer Angle
45.0 of standard range single treatment response
Part Name Assigned By Controlling Agency
SCREW-Close tolerance, 100 deg countersunk, reduced head, HI-Torque, NON-Magnetic cres (125 ksi fsu)
Special Features
head has a 1.40 deg radius dome
Material
nickel alloy 718
Material Document And Classification
ams 5662 assn std single material response
Surface Treatment
passivate
Surface Treatment Document And Classification
ams 2700 assn std single treatment response
Thread Series Designator
unjf
