The Plug,pipe, cataloged under National Stock Number 4730-01-442-4603, 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 Ward Leonard Ct Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-442-4603 |
| Primary Part Number | 04-0002-ITEM 46 |
| Item Name | Plug,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.750 INCHES EXTERNAL IN |
| Surface Treatment | ZINC OVERALL |
| Thread Quantity Per Inch | 14 EXTERNAL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 04-0002-ITEM 46 PRIMARY | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| 04-0002 | D/9 Drawing number reference only Ward Leonard Ct Llc |
NSN 4730-01-442-4603 is a Plug,pipe, manufactured by Ward Leonard Ct Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-442-4603 has 1 manufacturer part number on file: 04-0002-ITEM 46 (Ward Leonard Ct Llc).
1 possible match (shared part number, not a government interchangeability claim): 6505-01-517-5214. Verify interchangeability with system specifications before substitution.
Key specifications for 04-0002-ITEM 46: Thread Direction: RIGHT-HAND EXTERNAL; Nominal Thread Size: 0.750 INCHES EXTERNAL IN; Surface Treatment: ZINC OVERALL; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 6 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.