The Reducer,pipe, cataloged under National Stock Number 4730-01-283-4964, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-283-4964 |
| Primary Part Number | 5524875 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.669 INCHES SECOND END IN |
| Connection Style | BEVELED (PIPE) SECOND END |
| Connection Style | SWIVEL NUT, GASKET SEAL (PIPE) FIRST END |
| Nominal Overall Length | 2.910 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | BUTT WELD PIPE SECOND END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 5524875 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4730PL1321108 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4730-01-283-4964 is a Reducer,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-283-4964 has 1 manufacturer part number on file: 5524875 (Naval Sea Systems Command).
Key specifications for 5524875: Nominal Pipe Size Accommodated: 0.669 INCHES SECOND END IN; Connection Style: BEVELED (PIPE) SECOND END; Connection Style: SWIVEL NUT, GASKET SEAL (PIPE) FIRST END; Nominal Overall Length: 2.910 INCHES 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.