The Reducer,pipe, cataloged under National Stock Number 4730-01-668-0509, 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 Fairview Fitting & Manufacturing, Inc.. Government technical data includes 3 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. 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 | 4730-01-668-0509 |
| Primary Part Number | 1496-DC |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Fairview Fitting & Manufacturing, Inc. |
| Status | ACTIVE |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | THREADED |
| Material | STEEL BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4730-01-668-0509 is a Reducer,pipe, manufactured by Fairview Fitting & Manufacturing, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-668-0509 has 2 manufacturer part numbers on file: 1496-DC (Fairview Fitting & Manufacturing, Inc.), 02400 (Tru-Hitch, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-724-0913. Verify interchangeability with system specifications before substitution.
Key specifications for 1496-DC: Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: THREADED; Special Features: FOR D.O.T. AIR BRAKE HOSE; Part Name Assigned by Controlling Agency: TERMINAL BOLT. 3 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.