The Inverted Nut,tube Coupling, cataloged under National Stock Number 4730-01-099-6933, 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 Grove U.s. Llc Dba Grove Us Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-099-6933 |
| Primary Part Number | 7-659-000164 |
| Item Name | Inverted Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Grove U.s. Llc Dba Grove Us Llc |
| Status | ACTIVE |
| Width Across Flats | 0.562 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Tube Outside Diameter for Which Designed | 0.250 INCHES NOMINAL IN |
| Style Designator | INVERTED NUT, TUBE, FLARE |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 1/2-20 |
| Screw Thread Series Designator | UNF |
| Thread Class | 2A A |
| Material | STEEL |
| 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 |
|---|---|
| 7-659-000164 PRIMARY | Grove U.s. Llc Dba Grove Us Llc (USA) |
| Reference | Meaning |
|---|---|
| 9424958 | 5/9 Secondary reference General Motors Corp |
| B7-659-000164 | D/9 Drawing number reference only Grove U.s. Llc Dba Grove Us Llc |
| 25519423 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 25519423 | 5/9 Secondary reference General Motors Corp |
NSN 4730-01-099-6933 is a Inverted Nut,tube Coupling, manufactured by Grove U.s. Llc Dba Grove Us Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-099-6933 has 1 manufacturer part number on file: 7-659-000164 (Grove U.s. Llc Dba Grove Us Llc).
Key specifications for 7-659-000164: Width Across Flats: 0.562 INCHES NOMINAL IN; Seat Angle in Deg: 45.0; Tube Outside Diameter for Which Designed: 0.250 INCHES NOMINAL IN; Style Designator: INVERTED NUT, TUBE, FLARE. 10 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.