The Plug,hose, cataloged under National Stock Number 4730-01-643-7654, 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 Hydraulics International, Inc. Dba Hydraulics International Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Plug,hose |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Hydraulics International, Inc. Dba Hydraulics International Inc (CAGE 56529); Fitting Source, Inc Dba Fitting Source Inc (CAGE 0HZT9) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-643-7654 |
| Primary Part Number | 051496-218-1 |
| Item Name | Plug,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| 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 |
|---|---|
| 051496-218-1 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| 21521X12X12 | Fitting Source, Inc Dba Fitting Source Inc (USA) |
| Reference | Meaning |
|---|---|
| 051496-218 | D/9 Drawing number reference only Hydraulics International, Inc. Dba Hydraulics International Inc |
NSN 4730-01-643-7654 is a Plug,hose, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-643-7654 has 2 manufacturer part numbers on file: 051496-218-1 (Hydraulics International, Inc. Dba Hydraulics International Inc), 21521X12X12 (Fitting Source, Inc Dba Fitting Source 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.