The Reducer,pipe, cataloged under National Stock Number 4730-01-584-4660, 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 Mcmaster-Carr Supply Co. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-584-4660 |
| Primary Part Number | 4429K744 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Nominal Overall Length | 1.750 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Style Designator | GROOVED AND THREADED INTERNAL |
| Nominal Thread Size | 1.000 INCHES FIRST END IN |
| Nominal Thread Size | 1.500 INCHES SECOND END IN |
| Specification/standard Data | 80204-ANSI B1 20 1 AND ANSI B16 15 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION AND 81346-ASTM B584 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION AND 05047-ASME B1 20 1 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Media for Which Designed | OIL THIRD RESPONSE |
| Media for Which Designed | WATER SECOND RESPONSE |
| Media for Which Designed | AIR FIRST RESPONSE |
| Media for Which Designed | GAS FOURTH RESPONSE |
| Media for Which Designed | STEAM FIFTH RESPONSE |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPT FIRST END |
| 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 |
|---|---|
| 4429K744 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 4730-01-584-4660 is a Reducer,pipe, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-584-4660 has 1 manufacturer part number on file: 4429K744 (Mcmaster-Carr Supply Co).
Key specifications for 4429K744: Nominal Overall Length: 1.750 INCHES IN; Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Type: THREADED INTERNAL PIPE SECOND END; Style Designator: GROOVED AND THREADED INTERNAL. 15 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.