The Nut,hose Coupling, cataloged under National Stock Number 4730-01-389-8770, 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 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-389-8770 |
| Item Name | Nut,hose Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Thread Series | NPT |
| Nominal Thread Size | 0.625 INCHES IN |
| Hose Nominal Size | 0.625 INCHES IN |
| Thread Quantity Per Inch | 18 |
| Material | COPPER ALLOY 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 |
|---|---|
| 010 606 | C/1 Advisory reference — outside the item-of-supply concept Miller Electric Mfg. Llc |
| 010 606 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
NSN 4730-01-389-8770 is a Nut,hose Coupling, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6515-01-491-9903. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-389-8770: Thread Series: NPT; Nominal Thread Size: 0.625 INCHES IN; Special Features: FITTING,HOSE-BRASS NUT; Hose Nominal Size: 0.625 INCHES IN. 5 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.