National Stock number : 4730-00-287-0294
Tube Coupling Nut
| Available Quantity | 3,389 |
| Available Conditions | NE NS AR |
| Classification | Hose, Pipe, Tube, Lubrication and Railing Fittings - FSC 4730 |
| Schedule B | 7318160000 |
| Stock Check Date | 04/08/2026 |
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
Tube Coupling Nut
Thread Class
3b
Thread Direction
RIGHT-Hand
Fabrication Method
machined or forged
Nut Style
tube coupling
Nut Height
0.531in. ⁓17/32"
Width Across Flats
0.371in. and 0.378in. ⁓25/64"
Length To Shoulder
0.460in.
Smallest Inside Diameter
0.180in. and 0.183in.
Thread Series
unf
Thread Quantity Per Inch
24
Nominal Thread Size
0.312in. ⁓5/16"
Nominal Tube Outside Diameter
0.125in.
Special Features
grumman A-10 aircraft
Material
steel comp 1137 or steel comp 1141
Material Document And Classification
QQ-S-637 fed spec single material response
Surface Treatment
cadmium
Surface Treatment Document And Classification
QQ-P-416, type 2, class 2 fed spec single treatment response
