The Adapter,straight,hose to Boss, cataloged under National Stock Number 4730-01-385-5657, 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 Naval Sea Systems Command. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4730-01-385-5657 |
| Primary Part Number | 214-5871168ITEMF28 |
| Item Name | Adapter,straight,hose to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | GRIPPING (HOSE) FIRST END |
| Connection Type | THREADED EXTERNAL HOSE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 42508N-P08 | Danfoss Power Solutions II, Llc (USA) |
| 214-5871168ITEMF28 PRIMARY | Naval Sea Systems Command (USA) |
| 1/2-8-20530-1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 42508N-P08 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| 5871168 | D/9 Drawing number reference only Naval Sea Systems Command |
| 20530-8-8C | 5/2 Secondary reference U.S. Government activity |
| 20530-8-8C | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-385-5657 is a Adapter,straight,hose to Boss, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-385-5657 has 3 manufacturer part numbers on file: 42508N-P08 (Danfoss Power Solutions II, Llc), 214-5871168ITEMF28 (Naval Sea Systems Command), 1/2-8-20530-1 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-385-5973, 4730-01-385-6203. Verify interchangeability with system specifications before substitution.
Key specifications for 214-5871168ITEMF28: Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: GRIPPING (HOSE) FIRST END; Connection Type: THREADED EXTERNAL HOSE FIRST END; Connection Type: THREADED EXTERNAL BOSS SECOND END. 6 specifications are documented in the U.S. Government catalog.
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.