National Stock number : 5305-00-153-8478
Machine Screw
| Available Quantity | 7,258 |
| Available Conditions | NS NE AR SV |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 06/22/2026 |
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
0.292in. and 0.394in. ⁓13/32"
Fastener Length
0.469in. and 0.500in. ⁓1/2"
Head Style
flat countersunk
Head Diameter
0.447in. and 0.507in.
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.250in. ⁓1/4"
Thread Quantity Per Inch
28
Minimum Tensile Strength
125000 pounds per square inch
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-P-416, ty 2, cl 3 fed spec single treatment response
Thread Series Designator
unjf
Specification/standard Data
80205-NAS514 professional/industrial association standard
