The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-203-4115, 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 Hiab Usa Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Hiab Usa Inc (CAGE 34914) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-203-4115 |
| Primary Part Number | 303 5671 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hiab Usa 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 |
|---|---|
| 303 5671 PRIMARY | Hiab Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 302 8763 | 5/9 Secondary reference Hiab Usa Inc |
NSN 4730-01-203-4115 is a Adapter,straight,tube to Boss, manufactured by Hiab Usa Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-203-4115 has 1 manufacturer part number on file: 303 5671 (Hiab Usa Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-293-3558. 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.