The Plug,pipe, cataloged under National Stock Number 4730-00-044-4789, 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 11 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-044-4789 |
| Item Name | Plug,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | CANCELLED |
| Head Type | SOLID |
| Nominal Pipe Size for Which Designed | 0.500 INCHES IN |
| Connection Style | PLAIN |
| Drive End Style | RECESSED SQUARE |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.500 INCHES EXTERNAL IN |
| Nondefinitive Spec/std Data | 2 TYPE AND C OR D STYLE |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Body Type | SOLID |
| Material | STEEL OVERALL |
| Thread Series Designator | NPTF EXTERNAL |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 444789 | 5/9 Secondary reference Euclid Inc |
| 4730000444667 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| WWP471 | 4/1 Identification reference U.S. Government activity |
| 4730000444789 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 444789 | 5/9 Secondary reference General Motors Corp |
NSN 4730-00-044-4789 is a Plug,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: cancelled.
2 possible matches (shared part number, not a government interchangeability claim): 4730-00-278-3383, 6525-01-618-3305. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-044-4789: Head Type: SOLID; Nominal Pipe Size for Which Designed: 0.500 INCHES IN; Connection Style: PLAIN; Drive End Style: RECESSED SQUARE. 11 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.
NSN 4730-00-044-4789 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.