The Nut,union, cataloged under National Stock Number 4730-01-383-5847, 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 Hydrasearch Company, Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-383-5847 |
| Primary Part Number | 943P7-7-M |
| Item Name | Nut,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Width Across Flats | 3.500 INCHES NOMINAL IN |
| Shoulder Width | 0.375 INCHES NOMINAL IN |
| Thread Series | UNS |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 3.063 INCHES IN |
| Nut Height | 1.500 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 12 |
| Material | NICKEL ALLOY OVERALL |
| Smallest Inside Diameter | 2.565 INCHES NOMINAL IN |
| 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 |
|---|---|
| 943P7-7-M | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 6243066 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 943P7-7 | 5/9 Secondary reference U.S. Government activity |
| 943P7-7-M | 3/2 Design control — primary reference U.S. Government activity |
| 943P7-7 | 5/9 Secondary reference Hydrasearch Company, Llc |
NSN 4730-01-383-5847 is a Nut,union, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-383-5847 has 1 manufacturer part number on file: 943P7-7-M (Hydrasearch Company, Llc).
Key specifications for 943P7-7-M: Width Across Flats: 3.500 INCHES NOMINAL IN; Shoulder Width: 0.375 INCHES NOMINAL IN; Thread Series: UNS; Thread Direction: RIGHT-HAND. 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.
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.