The Inverted Nut,tube Coupling, cataloged under National Stock Number 4730-00-787-2121, 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 Kito Mfg Co. Ltd. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Inverted Nut,tube Coupling |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Kito Mfg Co. Ltd (CAGE J1695); Viavi Solutions Deutschland Gmbh (CAGE D4598) |
| Parameter | Value |
|---|---|
| NSN | 4730-00-787-2121 |
| Primary Part Number | 584245 |
| Item Name | Inverted Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Kito Mfg Co. Ltd |
| Status | ACTIVE |
| 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 |
|---|---|
| 584245 | Kito Mfg Co. Ltd (JPN) |
| 584245 | Viavi Solutions Deutschland Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 584245 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 584245 | 5/9 Secondary reference Kito Mfg Co. Ltd |
| 584245 | 3/9 Design control — primary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 4730-00-787-2121 is a Inverted Nut,tube Coupling, manufactured by Kito Mfg Co. Ltd, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-787-2121 has 2 manufacturer part numbers on file: 584245 (Kito Mfg Co. Ltd), 584245 (Viavi Solutions Deutschland Gmbh).
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.