National Stock number : 5305-01-545-5809
Close Tolerance Screw
| Available Quantity | 3,332 |
| Available Conditions | NS NE SV |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 04/01/2026 |
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
Close Tolerance Screw
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.370in. ⁓3/8"
Fastener Length
0.667in. and 0.697in. ⁓45/64"
Head Style
flat countersunk
Head Diameter
0.456in. and 0.508in.
Grip Diameter
0.249in.
Internal Drive Style
cross recess type 1
End Item Identification
RQ-4A
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
0.302in. and 0.322in.
Thread Quantity Per Inch
28
Countersink Angle
99.0 degrees and 101.0 degrees
Part Name Assigned By Controlling Agency
bolt, 100 deg head, cruciform recess, close tolerance, A2
Material
iron alloy 660
Material Document And Classification
AMS5731 assn std 1st material response or AMS5732 assn std 1st material response or AMS5737 assn std 1st material response or AMS5738 assn std 1st material response
Surface Treatment
passivate
Surface Treatment Document And Classification
QQ-P-35 fed spec 1st treatment response
Thread Series Designator
unf
