The Packing Nut, cataloged under National Stock Number 4730-00-792-8424, 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 Process Supply Inc Dba Defense Products International. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-792-8424 |
| Primary Part Number | 15566V022/4 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Process Supply Inc Dba Defense Products International |
| Status | ACTIVE |
| Width Across Flats | 1.250 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Thread Length | 0.750 INCHES NOMINAL IN |
| Style Designator | HEXAGON, EXTERNAL THREAD, INVERTED FLARE |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 1.125-12 |
| Screw Thread Series Designator | UNF |
| Thread Class | 2A A |
| Screw Thread Location | EXTERNAL |
| Material | COPPER ALLOY |
| Smallest Inside Diameter | 0.500 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 |
|---|---|
| 15566V022/4 | Process Supply Inc Dba Defense Products International (USA) |
| Reference | Meaning |
|---|---|
| 380P1033 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-792-8424 is a Packing Nut, manufactured by Process Supply Inc Dba Defense Products International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-792-8424 has 1 manufacturer part number on file: 15566V022/4 (Process Supply Inc Dba Defense Products International).
Key specifications for 15566V022/4: Width Across Flats: 1.250 INCHES NOMINAL IN; Seat Angle in Deg: 45.0; Thread Length: 0.750 INCHES NOMINAL IN; Style Designator: HEXAGON, EXTERNAL THREAD, INVERTED FLARE. 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.