National Stock number : 5305-00-269-4206
Machine Screw
| Available Quantity | 8,176 |
| Available Conditions | NE NS SV |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 11/11/2025 |
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
Machine Screw
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.464in. and 0.625in. ⁓5/8"
Fastener Length
1.031in. and 1.078in. ⁓1-5/64"
Head Style
flat countersunk
Head Diameter
0.569in. and 0.635in.
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.312in. ⁓5/16"
Thread Quantity Per Inch
24
Minimum Tensile Strength
125000 pounds per square inch
Hardness Rating
22.0 rockwell c and 32.0 rockwell c
Countersink Angle
99.0 degrees and 101.0 degrees
Screw Material
steel comp 8630 or steel comp 4037
Screw Material Document And Classification
MIL-S-6050 mil spec 1st material response or ams 6300 assn std 2nd material response
Screw Surface Treatment
cadmium and chromate
Screw Surface Treatment Document And Classification
QQ-B-416, ty 2, cl 3 fed spec all treatment responses
Thread Series Designator
unf
