The Reducer,pipe, cataloged under National Stock Number 4730-01-007-1748, 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 George Fischer Sloane, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-007-1748 |
| Primary Part Number | 837-166 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | George Fischer Sloane, Inc. |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.250 INCHES FIRST END IN |
| Nominal Pipe Size Accommodated | 0.500 INCHES SECOND END IN |
| Connection Style | SOCKET (PIPE) FIRST END |
| Connection Style | SWIVEL NUT INVERTED FLARE (PIPE) SECOND END |
| Nominal Overall Length | 1.531 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | UNTHREADED INTERNAL PIPE SECOND END |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) 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 |
| Part Number | Manufacturer |
|---|---|
| 837-166 | George Fischer Sloane, Inc. (USA) |
| Reference | Meaning |
|---|---|
| ASTMD2467 | 3/1 Design control — primary reference U.S. Government activity |
| 837-166PVC | 5/9 Secondary reference George Fischer Sloane, Inc. |
NSN 4730-01-007-1748 is a Reducer,pipe, manufactured by George Fischer Sloane, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-007-1748 has 1 manufacturer part number on file: 837-166 (George Fischer Sloane, Inc.).
Key specifications for 837-166: Nominal Pipe Size Accommodated: 1.250 INCHES FIRST END IN; Nominal Pipe Size Accommodated: 0.500 INCHES SECOND END IN; Connection Style: SOCKET (PIPE) FIRST END; Connection Style: SWIVEL NUT INVERTED FLARE (PIPE) SECOND END. 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.