The Reducer,pipe, cataloged under National Stock Number 4730-01-211-5159, 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 Cleveland Service Center. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-211-5159 |
| Primary Part Number | 0142170-167 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cleveland Service Center |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.750 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 1.250 INCHES FIRST END IN |
| Connection Style | SOCKET (PIPE) SECOND END |
| Connection Style | REDUCED SOCKET (PIPE) FIRST END |
| Nominal Overall Length | 1.531 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Specification/standard Data | 81346-ASTM F439 MANUFACTURERS STANDARD |
| 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 |
|---|---|
| 0142170-167 PRIMARY | Cleveland Service Center (USA) |
| Reference | Meaning |
|---|---|
| ASTM F 439-77 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4730-01-211-5159 is a Reducer,pipe, manufactured by Cleveland Service Center, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-211-5159 has 1 manufacturer part number on file: 0142170-167 (Cleveland Service Center).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-211-5160. Verify interchangeability with system specifications before substitution.
Key specifications for 0142170-167: Nominal Pipe Size Accommodated: 0.750 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 1.250 INCHES FIRST END IN; Connection Style: SOCKET (PIPE) SECOND END; Connection Style: REDUCED SOCKET (PIPE) FIRST 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.