The Inverted Nut,tube Coupling, cataloged under National Stock Number 4730-01-021-2453, 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 Dana Off Highway Products, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-021-2453 |
| Primary Part Number | 92F-7 |
| Item Name | Inverted Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES MINIMUM IN |
| Seat Angle in Deg | 45.0 |
| Tube Outside Diameter for Which Designed | 0.500 INCHES NOMINAL IN |
| Style Designator | INVERTED NUT, TUBE, FLARE |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 3/4IN-18 IN |
| Screw Thread Series Designator | UNS |
| Surface Treatment | CADMIUM |
| Material | STEEL |
| Fabrication Method | FORGED |
| Smallest Inside Diameter | 0.505 INCHES MINIMUM AND 0.508 INCHES MAXIMUM 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 |
|---|---|
| 92F-7 PRIMARY | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 92F-7 | 3/9 Design control — primary reference Clark Equipment Co |
NSN 4730-01-021-2453 is a Inverted Nut,tube Coupling, manufactured by Dana Off Highway Products, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-021-2453 has 1 manufacturer part number on file: 92F-7 (Dana Off Highway Products, Llc).
Key specifications for 92F-7: Width Across Flats: 0.750 INCHES MINIMUM IN; Seat Angle in Deg: 45.0; Tube Outside Diameter for Which Designed: 0.500 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.