The Inverted Nut,tube Coupling, cataloged under National Stock Number 4730-00-799-0784, 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 Cummins Inc.. 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-799-0784 |
| Primary Part Number | 70829 |
| Item Name | Inverted Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.438 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Tube Outside Diameter for Which Designed | 0.188 INCHES NOMINAL IN |
| Style Designator | INVERTED NUT, TUBE, FLARE |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 0.375-24 |
| Screw Thread Series Designator | UNF |
| Surface Treatment | CADMIUM |
| Thread Class | 2A A |
| Material | STEEL |
| Smallest Inside Diameter | 0.188 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 |
|---|---|
| 70829 PRIMARY | Cummins Inc. (USA) |
NSN 4730-00-799-0784 is a Inverted Nut,tube Coupling, manufactured by Cummins Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-799-0784 has 1 manufacturer part number on file: 70829 (Cummins Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5999-01-199-7477, 5930-01-571-2751. Verify interchangeability with system specifications before substitution.
Key specifications for 70829: Width Across Flats: 0.438 INCHES NOMINAL IN; Seat Angle in Deg: 45.0; Tube Outside Diameter for Which Designed: 0.188 INCHES NOMINAL IN; Style Designator: INVERTED NUT, TUBE, 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.