The Reducer,pipe, cataloged under National Stock Number 4730-01-420-1127, 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 9 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-420-1127 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 2.000 INCHES FIRST END IN |
| Nominal Pipe Size Accommodated | 1.500 INCHES SECOND END IN |
| Connection Style | REDUCED SOCKET W/ ONE BRAZING RING (PIPE) ALL ENDS |
| Nominal Overall Length | 3.188 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | ASTM B61, B505, B584 ASSN STD 1ST MATERIAL RESPONSE OR QQ-C-390 FED SPEC 1ST MATERIAL RESPONSE OVERALL |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | COPPER ALLOY OR COPPER ALLOY 922 OR COPPER ALLOY 903 OVERALL |
| 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 |
|---|---|
| 1385942 | D/9 Drawing number reference only U.S. Government activity |
| 803-1385942 PC6 1-1/2 X 2 | 3/2 Design control — primary reference U.S. Government activity |
| 17-13-0114 | 5/2 Secondary reference U.S. Government activity |
| 803-1385942 PIECE 6 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-420-1127 is a Reducer,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-420-1127: Nominal Pipe Size Accommodated: 2.000 INCHES FIRST END IN; Nominal Pipe Size Accommodated: 1.500 INCHES SECOND END IN; Connection Style: REDUCED SOCKET W/ ONE BRAZING RING (PIPE) ALL ENDS; Nominal Overall Length: 3.188 INCHES IN. 9 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.