National Stock number : 5305-01-284-1391
Close Tolerance Screw
| Available Quantity | 1,242 |
| Available Conditions | NE NS |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 11/03/2025 |
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
0.345in. and 0.395in. ⁓13/32"
Fastener Length
0.793in. and 0.823in. ⁓53/64"
Head Style
flat countersunk
Head Diameter
0.447in. 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
0.428in. and 0.448in.
Thread Quantity Per Inch
28
Minimum Tensile Strength
220000 pounds per square inch
Hardness Rating
46.0 rockwell c and 49.0 rockwell c
Countersink Angle
99.0 degrees and 101.0 degrees
Surface Finish
32.0 microinches threads
Material
steel comp H11
Material Document And Classification
ams 6487 assn std single material response
Surface Treatment
cadmium and chromate
Surface Treatment Document And Classification
QQ-P-416 ty 2 fed spec single treatment response
Thread Series Designator
unjf
