The Adapter,straight,hose to Boss, cataloged under National Stock Number 4730-01-168-4206, 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 Bae Systems Hagglunds Aktiebolag. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Adapter,straight,hose to Boss |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Bae Systems Hagglunds Aktiebolag (CAGE AC90N) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-168-4206 |
| Primary Part Number | 2521 2139-054 |
| Item Name | Adapter,straight,hose to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Bae Systems Hagglunds Aktiebolag |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 2521 2139-054 | Bae Systems Hagglunds Aktiebolag (SWE) |
| Reference | Meaning |
|---|---|
| 2521 2139-054 | 5/9 Secondary reference Bae Systems Hagglunds Ab |
| 5-4 F4TX-S | 5/9 Secondary reference U.S. Government activity |
| 91004-991 | 3/9 Design control — primary reference U.s. Defense Services, Inc. Dba Usds |
| 5-4 F4TX-S | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| 455-0095 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 91004-991 | 5/9 Secondary reference Bae Systems Hagglunds Ab |
NSN 4730-01-168-4206 is a Adapter,straight,hose to Boss, manufactured by Bae Systems Hagglunds Aktiebolag, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-168-4206 has 1 manufacturer part number on file: 2521 2139-054 (Bae Systems Hagglunds Aktiebolag).
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.