The Nut,tube Coupling, cataloged under National Stock Number 4730-01-041-6935, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-041-6935 |
| Primary Part Number | 10166941 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Length to Shoulder | 0.090 INCHES NOMINAL IN |
| Width Across Flats | 0.563 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material Document and Classification | QQ-A-225/8,6061-T651 OR-T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.438 INCHES IN |
| Nut Height | 0.622 INCHES NOMINAL IN |
| Nut Style | TUBE COUPLING |
| Thread Quantity Per Inch | 3B |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Fabrication Method | MACHINED |
| Smallest Inside Diameter | 0.406 INCHES NOMINAL IN |
| Nominal Tube Outside Diameter | 0.250 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10166941 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 4730-01-041-6935 is a Nut,tube Coupling, manufactured by Us Army Aviation and Missile Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-041-6935 has 1 manufacturer part number on file: 10166941 (Us Army Aviation and Missile Command).
Key specifications for 10166941: Length to Shoulder: 0.090 INCHES NOMINAL IN; Width Across Flats: 0.563 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Material Document and Classification: QQ-A-225/8,6061-T651 OR-T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.