The Locknut,tube Fitting, cataloged under National Stock Number 4730-01-651-7073, 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 Agro. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-651-7073 |
| Primary Part Number | 4686 |
| Item Name | Locknut,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Agro |
| Status | ACTIVE |
| Width Across Flats | 1.180 INCHES NOMINAL IN |
| Nut Height | 0.160 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Nut Style | TUBE FITTING LOCKNUT |
| Material | COPPER ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4730-01-651-7073 is a Locknut,tube Fitting, manufactured by Agro, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-651-7073 has 2 manufacturer part numbers on file: 4686 (Agro), 4686 (Heyco Inc Dba Heyco Products).
Key specifications for 4686: Width Across Flats: 1.180 INCHES NOMINAL IN; Nut Height: 0.160 INCHES NOMINAL IN; Surface Treatment: NICKEL OVERALL; Part Name Assigned by Controlling Agency: BRASS LOCKNUT. 5 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.