The Plug,pipe, cataloged under National Stock Number 4730-01-302-7029, 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 Hersh Packing & Rubber Co. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-302-7029 |
| Primary Part Number | 01HP-4 |
| Item Name | Plug,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hersh Packing & Rubber Co |
| Status | ACTIVE |
| Head Type | SOLID |
| Nominal Pipe Size for Which Designed | 0.250 INCHES IN |
| Connection Style | PLAIN |
| Drive End Style | RECESSED HEXAGON |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.250 INCHES EXTERNAL IN |
| Body Type | SOLID |
| Material | STEEL BODY |
| Thread Series Designator | NPTF 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 |
|---|---|
| 01HP-4 PRIMARY | Hersh Packing & Rubber Co (USA) |
| Reference | Meaning |
|---|---|
| 01HP-4 | 5/9 Secondary reference U.S. Government activity |
| 01HP-4 | 3/9 Design control — primary reference U.S. Government activity |
| 01HP-4 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
NSN 4730-01-302-7029 is a Plug,pipe, manufactured by Hersh Packing & Rubber Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-302-7029 has 1 manufacturer part number on file: 01HP-4 (Hersh Packing & Rubber Co).
Key specifications for 01HP-4: Head Type: SOLID; Nominal Pipe Size for Which Designed: 0.250 INCHES IN; Connection Style: PLAIN; Drive End Style: RECESSED HEXAGON. 9 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.