The Plug,pipe, cataloged under National Stock Number 4730-01-055-9825, 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12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-055-9825 |
| Item Name | Plug,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Pipe Size for Which Designed | 0.375 INCHES IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN |
| Drive End Style | SLOTTED ROUND |
| Material Document and Classification | CN6713 MFR REF ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.375 INCHES EXTERNAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Body Type | SOLID |
| Thread Quantity Per Inch | 18 EXTERNAL |
| Material | COPPER ALLOY OR 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 |
|---|---|
| PLUG3/8-18NPTX9/16SLOTTED | 5/9 Secondary reference Ducommun Metals Co |
| 9993AC583 | 5/2 Secondary reference U.S. Government activity |
| AC583 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-055-9825 is a Plug,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-055-9825: Nominal Pipe Size for Which Designed: 0.375 INCHES IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN; Drive End Style: SLOTTED ROUND. 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.