The Coupling,pipe, cataloged under National Stock Number 4730-01-729-2177, 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 Campbell Fittings Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Campbell Fittings Inc (CAGE 3Y308) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-729-2177 |
| Primary Part Number | BMP-0402 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Campbell Fittings 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 |
|---|---|
| BMP-0402 PRIMARY | Campbell Fittings Inc (USA) |
| Reference | Meaning |
|---|---|
| 202335111 | D/9 Drawing number reference only U.S. Government activity |
| 202335111-13 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-729-2177 is a Coupling,pipe, manufactured by Campbell Fittings Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-729-2177 has 1 manufacturer part number on file: BMP-0402 (Campbell Fittings Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-729-2188, 4730-01-732-7551. Verify interchangeability with system specifications before substitution.
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.