The Coupling,tube, cataloged under National Stock Number 4730-01-341-4904, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-341-4904 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | GROOVED (TUBE) FIRST END |
| Connection Style | GROOVED (TUBE) SECOND END |
| Nominal Overall Length | 0.528 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED EXTERNAL TUBE THIRD END |
| Style Designator | GROOVED BOTH ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.264 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.264 INCHES SECOND END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 7560287 | D/9 Drawing number reference only General Dynamics Land Systems Inc. |
| 7560287-002 | 3/9 Design control — primary reference General Dynamics Land Systems Inc. |
NSN 4730-01-341-4904 is a Coupling,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5365-01-587-4541. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-341-4904: Connection Style: GROOVED (TUBE) FIRST END; Connection Style: GROOVED (TUBE) SECOND END; Nominal Overall Length: 0.528 INCHES IN; Connection Type: UNTHREADED EXTERNAL TUBE FIRST END. 10 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.