The Reducer,pipe, cataloged under National Stock Number 4730-00-189-3032, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-189-3032 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Overall Length | 1.240 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Operating Pressure | 175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Specification/standard Data | 81348-WW-P-460 GOVERNMENT SPECIFICATION AND 96906-MS14306 GOVERNMENT STANDARD |
| Maximum Operating Temp | 65.6 CELSIUS SECOND RESPONSE DEGC |
| Maximum Operating Temp | 207.7 CELSIUS FIRST RESPONSE DEGC |
| Nondefinitive Spec/std Data | A CLASS |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
| Reference | Meaning |
|---|---|
| GF11S0602CU | 5/1 Secondary reference Northrop Grumman Systems Corporation |
| MS14306-4W | 2/2 Government specification standardization U.S. Government activity |
| MS14306-4WA | 5/1 Secondary reference U.S. Government activity |
| WW-P-460 | 4/1 Identification reference U.S. Government activity |
NSN 4730-00-189-3032 is a Reducer,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-189-3032: Connection Style: PLAIN (PIPE) ALL ENDS; Nominal Overall Length: 1.240 INCHES IN; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS. 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.