National Stock number : 5305-00-105-6879
Close Tolerance Screw
| Available Quantity | 194 |
| Available Conditions | NS NE |
| 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
0.254in. and 0.357in. ⁓23/64"
Fastener Length
0.675in. and 0.722in. ⁓47/64"
Head Style
flat countersunk
Head Diameter
0.496in. and 0.510in.
Grip Diameter
0.2485in. and 0.2495in.
Internal Drive Style
offset cruciform (torque set)
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
0.365in. and 0.385in.
Thread Quantity Per Inch
28
Minimum Tensile Strength
180000 pounds per square inch
Countersink Angle
100.0 degrees
Surface Finish
32.0 microinches grip
Special Features
aluminum grommet 0.012 in. thk on bearing surface of head
Material
steel comp 430fse or steel comp 81B45 or steel comp 4140 or steel comp 302b
Surface Treatment
cadmium and chromate
Surface Treatment Document And Classification
QQ-P-416 ty 2 cl 3 fed spec single treatment response
Thread Series Designator
unf
Specification/standard Data
76823-51B294 manufacturers standard
