The Port Plug,large, cataloged under National Stock Number 4730-01-589-0327, 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 Moog Inc. Dba Ampac-Isp Corp. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-589-0327 |
| Primary Part Number | 43918 |
| Item Name | Port Plug,large |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Moog Inc. Dba Ampac-Isp Corp |
| Status | ACTIVE |
| General Characteristics Item Description | PLUG MANUFACTURED FROM ASTM A276 TYPE 316L, USED IN CORROSIVE CONDITIONS PARTICULARLY THOSE INVOLVING PIT-TYPE CORROSION. |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 43918 PRIMARY | Moog Inc. Dba Ampac-Isp Corp (USA) |
| Reference | Meaning |
|---|---|
| 15101-43905-TD ITEM NO 1.13 | 5/1 Secondary reference Moog Inc. Dba Ampac-Isp Corp |
| 15101-43905 ITEM 13 | 5/1 Secondary reference Moog Inc. Dba Ampac-Isp Corp |
NSN 4730-01-589-0327 is a Port Plug,large, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-589-0327 has 1 manufacturer part number on file: 43918 (Moog Inc. Dba Ampac-Isp Corp).
Key specifications for 43918: General Characteristics Item Description: PLUG MANUFACTURED FROM ASTM A276 TYPE 316L, USED IN CORROSIVE CONDITIONS PARTICULARLY THOSE INVOLVING PIT-TYPE CORROSION.; Material: STEEL CORROSION RESISTING. 2 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.