The Locknut,tube Fitting, cataloged under National Stock Number 4730-01-515-9991, 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 Sae International Dba Sae International. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-515-9991 |
| Primary Part Number | J514 12 070118C |
| Item Name | Locknut,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Width Across Flats | 1.375 INCHES NOMINAL IN |
| Thread Series | UN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.062 INCHES IN |
| Nut Height | 0.410 INCHES NOMINAL IN |
| Nut Style | TUBE FITTING LOCKNUT |
| Thread Quantity Per Inch | 12 |
| Material | STEEL OVERALL |
| Nominal Tube Outside Diameter | 0.750 INCHES 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 |
|---|---|
| J514 12 070118C PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| J514 12 070118C | 3/9 Design control — primary reference U.S. Government activity |
| SAE-J514 | 5/9 Secondary reference Sae International Dba Sae International |
| SAE-J514/1 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-515-9991 is a Locknut,tube Fitting, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-515-9991 has 1 manufacturer part number on file: J514 12 070118C (Sae International Dba Sae International).
Key specifications for J514 12 070118C: Width Across Flats: 1.375 INCHES NOMINAL IN; Thread Series: UN; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.062 INCHES IN. 9 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.