The Plug,pipe, cataloged under National Stock Number 4730-01-074-3131, 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 12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-074-3131 |
| Item Name | Plug,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Head Type | CORED |
| Nominal Pipe Size for Which Designed | 0.500 INCHES IN |
| Connection Style | PLAIN |
| Head Core Diameter | 0.750 INCHES NOMINAL IN |
| Drive End Style | HEXAGON |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.500 INCHES EXTERNAL IN |
| Exterior Color | GRAY/GREY OVERALL |
| Surface Treatment | PAINT OVERALL |
| Body Type | SOLID |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT EXTERNAL |
| 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 |
|---|---|
| 200114L PC669 | 5/9 Secondary reference U.S. Government activity |
| 6357B | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 6357B | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 6357B | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-074-3131 is a Plug,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-074-3131: Head Type: CORED; Nominal Pipe Size for Which Designed: 0.500 INCHES IN; Connection Style: PLAIN; Head Core Diameter: 0.750 INCHES NOMINAL IN. 12 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.