The Coupling Assembly,hose, cataloged under National Stock Number 4730-01-660-1893, 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 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-660-1893 |
| Item Name | Coupling Assembly,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END |
| Nominal Outside Diameter | 0.50 INCHES ALL ENDS IN |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| 08024A1340 | D/9 Drawing number reference only Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| 1815 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-660-1893 is a Coupling Assembly,hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4720-01-666-0493. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-660-1893: Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END; Nominal Outside Diameter: 0.50 INCHES ALL ENDS IN; Special Features: FIRST END:FEMALE 0.50 INCH, SECOND END: INTERCHANGABLE 0.50 INCH, 25 FEET LONG IN; Media for Which Designed: AIR SINGLE RESPONSE. 4 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.