The Reducer,pipe, cataloged under National Stock Number 4730-01-468-1896, 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 Danfoss Power Solutions II, Llc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-468-1896 |
| Primary Part Number | 259-2081-8-6 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | SAE J514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 1.100 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Material Document and Classification | SAE J514 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Reduced Passage Nominal Inside Diameter | 0.125 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Quantity Per Inch | 14 FIRST END |
| Thread Quantity Per Inch | 18 SECOND END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPT FIRST END |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| 259-2081-8-6 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1/2X3/8-PTR-SS | 5/9 Secondary reference Air Hydro Power, Llc Dba Air Hydro Power Div Air Hydro Power |
| 6780811 | D/9 Drawing number reference only Naval Sea Systems Command |
| 259-208-8-6 | 5/9 Secondary reference Danfoss Power Solutions II, Llc |
| 6780811-2 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 4730-01-468-1896 is a Reducer,pipe, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-468-1896 has 1 manufacturer part number on file: 259-2081-8-6 (Danfoss Power Solutions II, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-628-5850. Verify interchangeability with system specifications before substitution.
Key specifications for 259-2081-8-6: Surface Treatment Document and Classification: SAE J514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 1.100 INCHES IN. 17 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.