The Locknut,tube Fitting, cataloged under National Stock Number 4730-01-698-4928, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-698-4928 |
| Primary Part Number | AS5179W04L |
| 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 | 0.448 INCHES NOMINAL IN |
| Hole Thread Quantity Per Inch | 20 |
| Nut Length | 0.678 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Configuration Style | CONFIGURATION A |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.4375 INCHES IN |
| Nut Height | 0.281 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE NUT |
| Nut Style | TUBE FITTING LOCKNUT |
| Thread Class | 2B |
| Hole Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Material | ALUMINUM ALLOY 7075 NUT |
| Nominal Tube Outside Diameter | 0.250 INCHES IN |
| Packing Recess Depth | 0.042 INCHES NOMINAL 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 |
|---|---|
| AS5179W04L PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS5179 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4730-01-698-4928 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 4730-01-698-4928 has 1 manufacturer part number on file: AS5179W04L (Sae International Dba Sae International).
Key specifications for AS5179W04L: Width Across Flats: 0.678 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN; Packing Recess Diameter: 0.448 INCHES NOMINAL IN; Hole Thread Quantity Per Inch: 20; Nut Length: 0.678 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN. 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.