The Reducer,pipe, cataloged under National Stock Number 4730-01-137-3079, 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 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-137-3079 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 2.000 INCHES SECOND END IN |
| Connection Style | SOCKET (PIPE) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Overall Length | 1.800 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | UNTHREADED INTERNAL PIPE SECOND END |
| Material Document and Classification | ASTM D1784,GRADE 23447-B ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 1.000 INCHES FIRST END IN |
| Specification/standard Data | 81346-ANSI/ASTMF439 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 80 ALL ENDS |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL |
| Thread Series Designator | NPT FIRST END |
| 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 |
|---|---|
| ASTM D2467 | 5/9 Secondary reference U.S. Government activity |
| ANSI/ASTMF439 | 3/1 Design control — primary reference U.S. Government activity |
| 13221E8312-18 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-137-3079 is a Reducer,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-137-3079: Nominal Pipe Size Accommodated: 2.000 INCHES SECOND END IN; Connection Style: SOCKET (PIPE) SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Nominal Overall Length: 1.800 INCHES IN. 13 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.