The Plug,pipe, cataloged under National Stock Number 4730-01-591-1225, 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 Mcmaster-Carr Supply Co. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-591-1225 |
| Primary Part Number | 4835K28 |
| Item Name | Plug,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Nominal Pipe Size for Which Designed | 1.062 INCHES IN |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL |
| Drive End Style | RECESSED HEXAGON |
| Operating Pressure | 2250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Features Provided | O RING |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 1.062 INCHES EXTERNAL IN |
| Maximum Operating Temp | 200.0 FAHRENHEIT DEGF |
| Surface Treatment | ZINC OVERALL |
| Body Type | SOLID |
| Thread Class | 2A EXTERNAL A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF 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 |
|---|---|
| 4835K28 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 4730-01-591-1225 is a Plug,pipe, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-591-1225 has 1 manufacturer part number on file: 4835K28 (Mcmaster-Carr Supply Co).
Key specifications for 4835K28: Nominal Pipe Size for Which Designed: 1.062 INCHES IN; Connection Style: EXTERNAL SEAT FOR GASKET SEAL; Drive End Style: RECESSED HEXAGON; Operating Pressure: 2250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 13 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.