National Stock number : 5305-01-478-2887
Close Tolerance Screw
| Available Quantity | 1,877 |
| Available Conditions | NS NE |
| Classification | Screws - FSC 5305 |
| Schedule B | 7508900000 |
| Stock Check Date | 04/06/2026 |
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
0.415in. and 0.435in. ⁓7/16"
Fastener Length
0.790in. and 0.810in. ⁓13/16"
Head Style
flat countersunk
Head Diameter
0.497in. and 0.506in.
Head Height
0.110in. ⁓1/8"
Spline Major Diameter
0.219in. and 0.222in.
Grip Diameter
0.2490in. and 0.2495in.
Internal Drive Style
torx
End Item Identification
aircraft, hornet f/A-18
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
0.365in. and 0.385in.
Thread Quantity Per Inch
28
Minimum Tensile Strength
240 pounds per square inch
Countersink Angle
99.0 degrees and 101.0 degrees
Material
nickel alloy 718
Material Document And Classification
INCONEL718 mfr ref 1st material response
Thread Series Designator
unjf
