National Stock number : 5305-01-512-8308
Close Tolerance Screw
| Available Quantity | 24 |
| Available Conditions | NS NE |
| Classification | Screws - FSC 5305 |
| Schedule B | 7508900000 |
| Stock Check Date | 02/09/2026 |
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
0.425in. ⁓7/16"
Fastener Length
0.848in. and 0.878in. ⁓57/64"
Head Style
flat countersunk
Head Diameter
0.265in. and 0.272in.
Spline Minor Diameter
0.1105in. and 0.1125in.
Spline Major Diameter
0.1540in. and 0.1560in.
Grip Diameter
0.2485in. and 0.2495in.
Internal Drive Style
torx
End Item Identification
F18 e/f
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
0.428in. and 0.448in.
Thread Quantity Per Inch
28
Countersink Angle
99.0 degrees and 101.0 degrees
Criticality Code Justification
agav
Part Name Assigned By Controlling Agency
bolt, 100 degree reduced head, gear drive RECESS-PH13-8Mo (125 ksi shear) , inconel 718 (125 ksi shear) , 6AL-4V titanium (95 ksi shear)
Material
nickel alloy 718
Material Document And Classification
ams 5662 assn std single material response
Surface Treatment
aluminum
Surface Treatment Document And Classification
MIL-C-83488, type ii, class 3 mil spec single treatment response
Thread Series Designator
unjf
