The Reducer,hose, cataloged under National Stock Number 4730-01-604-1973, 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 Carquest Auto Parts. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Reducer,hose |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Carquest Auto Parts (CAGE 1MGY9); Amz Alabama Inc. (CAGE 076M6) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-604-1973 |
| Primary Part Number | 28591 |
| Item Name | Reducer,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Carquest Auto Parts |
| Status | ACTIVE |
| 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 |
|---|---|
| 28591 PRIMARY | Carquest Auto Parts (USA) |
| 6455340-01M1 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6455340-01M1 | 7/9 Vendor item drawing reference Bae Systems Survivability Systems Llc |
| 6455340-01M1 | 7/2 Vendor item drawing reference Bae Systems Land & Armaments L.p. |
NSN 4730-01-604-1973 is a Reducer,hose, manufactured by Carquest Auto Parts, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-604-1973 has 2 manufacturer part numbers on file: 28591 (Carquest Auto Parts), 6455340-01M1 (Amz Alabama Inc.).
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.