The Nut,tube Coupling, cataloged under National Stock Number 4730-00-293-3641, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Superior Valve Co. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-293-3641 |
| Primary Part Number | NS4-6 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Superior Valve Co |
| Status | ACTIVE |
| Material | COPPER ALLOY 377 OVERALL |
| Thread Direction | RIGHT-HAND |
| Seat Angle | 45.00 DEGREES NOMINAL |
| Nominal Thread Size | 0.625 INCHES IN |
| Smallest Inside Diameter | 0.380 INCHES NOMINAL IN |
| Fabrication Method | FORGED |
| Length to Shoulder | 0.438 INCHES NOMINAL IN |
| Width Across Flats | 0.875 INCHES NOMINAL IN |
| Nut Height | 0.750 INCHES NOMINAL IN |
| Nominal Tube Outside Diameter | 0.375 INCHES IN |
| Thread Quantity Per Inch | 18 |
| Thread Series | UNF |
| Material Document and Classification | SAE 88 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Class | 2B |
| Nut Style | TUBE COUPLING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-00-293-3641 is a Nut,tube Coupling, manufactured by Superior Valve Co, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-293-3641 has 4 cross-referenced part numbers: 7620-6 (Therm-Air Mfg Co Inc), 7618A48 (Therm-Air Mfg Co Inc), 7618-48 (Therm-Air Mfg Co Inc), NS4-6 (Superior Valve Co).
There are 3 known substitutes for 4730-00-293-3641: 1680-00-313-5642, 6930-00-571-7606, 5120-01-296-5513. Verify interchangeability with system specifications before substitution.
Key specifications for NS4-6: Material: COPPER ALLOY 377 OVERALL; Thread Direction: RIGHT-HAND; Seat Angle: 45.00 DEGREES NOMINAL; Nominal Thread Size: 0.625 INCHES IN. 15 total characteristics are documented in the Federal Logistics Information System.