The Reducer,pipe, cataloged under National Stock Number 4730-01-106-2453, 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 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-106-2453 |
| Primary Part Number | W05498 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 TUBE COUPLING NUT AND 1 FLAT WASHER |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 2.156 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END BULKHEAD IN |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A FIRST END BULKHEAD A |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPT FIRST END |
| Thread Series Designator | UNF FIRST END BULKHEAD |
| 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 |
|---|---|
| W05498 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| 10552822 | General Dynamics Land Systems Canadacorp (CAN) |
| Reference | Meaning |
|---|---|
| 4730011062453 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| W05498 | 3/9 Design control — primary reference Dana Corp Weatherhead Div |
| 103-33604 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| 103-33604 | C/1 Advisory reference — outside the item-of-supply concept Danfoss Power Solutions II, Llc |
| 103-23544 | D/9 Drawing number reference only Dana Corp Weatherhead Div |
| 88096 | C/1 Advisory reference — outside the item-of-supply concept Davey Compressor Co Div of Keco Industries Inc |
NSN 4730-01-106-2453 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 4730-01-106-2453 has 2 manufacturer part numbers on file: W05498 (Danfoss Power Solutions II, Llc), 10552822 (General Dynamics Land Systems Canadacorp).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-581-0692. Verify interchangeability with system specifications before substitution.
Key specifications for W05498: Furnished Items and Quantity: 1 TUBE COUPLING NUT AND 1 FLAT WASHER; Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 2.156 INCHES IN. 16 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.