The Locknut,tube Fitting, cataloged under National Stock Number 4730-01-719-0302, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-719-0302 |
| Primary Part Number | AS5179J04L |
| 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 | 0.678 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN |
| Packing Recess Diameter | 0.603 INCHES MINIMUM AND 0.613 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Configuration Style | CONFIGURATION B |
| Material Document and Classification | AMS-QQ-S-763 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.4375 INCHES IN |
| Nut Height | 0.281 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.092 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | TUBE FITTING LOCKNUT |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 304 OVERALL |
| Nominal Tube Outside Diameter | 0.250 INCHES IN |
| Hole Type and Quantity | 8 DRILLED |
| 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 |
|---|---|
| AS5179J04L PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS5179 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-719-0302 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 4730-01-719-0302 has 1 manufacturer part number on file: AS5179J04L (Sae International Dba Sae International).
Key specifications for AS5179J04L: Width Across Flats: 0.678 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN; Packing Recess Diameter: 0.603 INCHES MINIMUM AND 0.613 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 17 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.