The Plug,pipe,magnetic, cataloged under National Stock Number 4730-01-154-7939, 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 Appleton Marine Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-154-7939 |
| Primary Part Number | 4057031 |
| Item Name | Plug,pipe,magnetic |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Appleton Marine Inc |
| Status | ACTIVE |
| Head Height | 0.450 INCHES NOMINAL IN |
| Connection Style | PLAIN |
| Criticality Code Justification | FEAT |
| Style Designator | PLUG, MAGNETIC |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.750 INCHES EXTERNAL IN |
| Body Length | 0.620 INCHES NOMINAL IN |
| Material | STEEL BODY |
| Thread Series Designator | PTF-SAE SHORT EXTERNAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 4057031 PRIMARY | Appleton Marine Inc (USA) |
| 4054121 PRIMARY | Lisle Corp (USA) |
| 447TR | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 4057031 | C/1 Advisory reference — outside the item-of-supply concept Lisle Corp |
| YMD-6249 | D/9 Drawing number reference only Appleton Marine Inc |
| 403Y28E5 | 5/9 Secondary reference Lisle Corp |
| 447TR | 5/9 Secondary reference Oshkosh Corp |
NSN 4730-01-154-7939 is a Plug,pipe,magnetic, manufactured by Appleton Marine Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-154-7939 has 3 manufacturer part numbers on file: 4057031 (Appleton Marine Inc), 4054121 (Lisle Corp), 447TR (Oshkosh Defense Llc).
Key specifications for 4057031: Head Height: 0.450 INCHES NOMINAL IN; Connection Style: PLAIN; Criticality Code Justification: FEAT; Style Designator: PLUG, MAGNETIC. 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.