National Stock number : 5305-01-273-2278
Cap Socket Head Screw
| Available Quantity | 919 |
| Available Conditions | NS NE |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 09/26/2025 |
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
Cap Socket Head Screw
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
1.750in. ⁓1-3/4"
Fastener Length
2.190in. and 2.250in. ⁓2-1/4"
Head Style
flat chamfer
Head Diameter
0.921in. and 0.937in.
Head Height
0.616in. and 0.625in. ⁓5/8"
Internal Drive Style
hexagon
Nominal Thread Diameter
0.625in. ⁓5/8"
Width Across Flats
0.500in. and 0.505in. ⁓33/64"
Thread Quantity Per Inch
18
Minimum Tensile Strength
80000 pounds per square inch
Hardness Rating
80.0 rockwell b
Material
steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384
Material Document And Classification
66 assn std all material responses or astm A493 assn std all material responses
Surface Treatment
cadmium
Surface Treatment Document And Classification
QQ-P-416 ty 1 cl 2 fed spec single treatment response
Thread Series Designator
unrf
Specification/standard Data
80205-NAS1351 professional/industrial association standard
