The Adapter,straight,hose to Boss, cataloged under National Stock Number 4730-01-506-4631, 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 Hydrasearch Company, Llc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-506-4631 |
| Primary Part Number | 375-190911-24-32 |
| Item Name | Adapter,straight,hose to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HOSE SOCKET |
| Connection Style | GRIPPING NIPPLE (NOSE) FIRST END |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 1.810 INCHES FIRST END IN |
| Nominal Overall Length | 3.890 INCHES IN |
| Material Document and Classification | QQ-C-390,C90390 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 3.0625 INCHES SECOND END IN |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 12 SECOND END |
| Material | COPPER ALLOY AND NICKEL ALLOY 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 |
|---|---|
| 375-190911-24-32 | Hydrasearch Company, Llc (USA) |
| 255-7015265PNF47-2 | Naval Sea Systems Command (USA) |
| 255-7015265PNF47-6 | Naval Sea Systems Command (USA) |
| 255-7015265PNF36-2 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 255-7015265 | D/9 Drawing number reference only Naval Sea Systems Command |
| 375-190911-1-1/2-32(SE) | 3/9 Design control — primary reference Danfoss Power Solutions II, Llc |
| FH9045-2432-375 | 5/9 Secondary reference Danfoss Power Solutions II, Llc |
| FH9045-2432-375 | 5/9 Secondary reference Hydrasearch Company, Llc |
NSN 4730-01-506-4631 is a Adapter,straight,hose to Boss, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-506-4631 has 4 manufacturer part numbers on file: 375-190911-24-32 (Hydrasearch Company, Llc), 255-7015265PNF47-2 (Naval Sea Systems Command), 255-7015265PNF47-6 (Naval Sea Systems Command), 255-7015265PNF36-2 (Naval Sea Systems Command).
Key specifications for 375-190911-24-32: Furnished Items and Quantity: 1 HOSE SOCKET; Connection Style: GRIPPING NIPPLE (NOSE) FIRST END; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Nominal Inside Diameter Hose Accommodated: 1.810 INCHES FIRST END IN. 10 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.