National Stock number : 5305-01-187-0148
Close Tolerance Screw
| Available Quantity | 326 |
| Available Conditions | NE NS |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 11/13/2025 |
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
0.277in. and 0.328in. ⁓21/64"
Fastener Length
2.606in. and 2.626in. ⁓2-41/64"
Head Style
crowned hexagon
Head Height
0.126in. and 0.141in. ⁓9/64"
Width Between Flats
0.430in. and 0.439in.
Locking Feature
detent ball grip
Grip Diameter
0.2487in. and 0.2492in.
Shank Unthreaded Hole Diameter
0.076in. first hole and 0.086in. first hole
Internal Drive Style
slot
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
2.188in. and 2.204in.
Thread Quantity Per Inch
28
Minimum Tensile Strength
63000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center
2.511in. first hole and 2.531in. first hole
Surface Finish
32.0 microinches grip
Material
steel comp XM-13
Material Document And Classification
AMS5629 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
