National Stock number : 5305-01-199-9454
Close Tolerance Screw
| Available Quantity | 4,819 |
| Available Conditions | NS NE |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 01/29/2026 |
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
0.378in. and 0.428in. ⁓7/16"
Fastener Length
0.888in. and 0.918in. ⁓59/64"
Head Style
flat countersunk
Head Diameter
0.464in. and 0.507in.
Grip Diameter
0.2485in. and 0.2495in.
Internal Drive Style
offset cruciform (torque set)
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
0.490in. and 0.510in.
Thread Quantity Per Inch
28
Minimum Tensile Strength
160000 pounds per square inch
Countersink Angle
99.0 degrees and 101.0 degrees
Surface Finish
32.0 microinches threads
Special Features
drive ribbed
Material
iron alloy 660
Material Document And Classification
AMS5731 assn std single material response or AMS5732 assn std single material response or AMS5737 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
Specification/standard Data
80205-NAS1580 professional/industrial association standard
