The Plug,pipe, cataloged under National Stock Number 4730-01-428-6974, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-428-6974 |
| Primary Part Number | 3/4HHP-S |
| Item Name | Plug,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Head Type | CORED |
| Nominal Pipe Size for Which Designed | 0.750 INCHES IN |
| Connection Style | PLAIN |
| Drive End Style | RECESSED HEXAGON |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.750 INCHES EXTERNAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Body Type | CORED |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 3/4HHP-S PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| Reference | Meaning |
|---|---|
| F145C001 | D/9 Drawing number reference only U.S. Government activity |
| F145C001 ITEM 64 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-428-6974 is a Plug,pipe, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-428-6974 has 1 manufacturer part number on file: 3/4HHP-S (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-429-9614. Verify interchangeability with system specifications before substitution.
Key specifications for 3/4HHP-S: Head Type: CORED; Nominal Pipe Size for Which Designed: 0.750 INCHES IN; Connection Style: PLAIN; Drive End Style: RECESSED HEXAGON. 10 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.