The Locknut,tube Fitting, cataloged under National Stock Number 4730-01-730-8760, 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 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-730-8760 |
| Primary Part Number | SAE J1453-3 12 520118S |
| 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 | 38.1 MILLIMETERS NOMINAL MM |
| Material Document and Classification | UNABLE TO DECODE |
| Specification/standard Data | SAE J1453-3 12 520118S NATIONAL STD/SPEC |
| Nut Height | 10.5 MILLIMETERS NOMINAL MM |
| Nut Style | TUBE FITTING LOCKNUT |
| Thread Quantity Per Inch | 12 |
| Nominal Tube Outside Diameter | 20.0 MILLIMETERS MM |
| 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 |
|---|---|
| J1453-3 520118S | Sae International Dba Sae International (USA) |
| SAE J1453-3 12 520118S PRIMARY | Sae International Dba Sae International (USA) |
| 3-3 12 520118S | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| J145 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-730-8760 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 4730-01-730-8760 has 3 manufacturer part numbers on file: J1453-3 520118S (Sae International Dba Sae International), SAE J1453-3 12 520118S (Sae International Dba Sae International), 3-3 12 520118S (Sae International Dba Sae International).
Key specifications for SAE J1453-3 12 520118S: Width Across Flats: 38.1 MILLIMETERS NOMINAL MM; Material Document and Classification: UNABLE TO DECODE; Specification/standard Data: SAE J1453-3 12 520118S NATIONAL STD/SPEC; Nut Height: 10.5 MILLIMETERS NOMINAL MM. 7 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.