The Locknut,tube Fitting, cataloged under National Stock Number 4730-01-343-3191, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-343-3191 |
| Primary Part Number | 24WLN-B |
| Item Name | Locknut,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Width Across Flats | 2.875 INCHES NOMINAL IN |
| Packing Recess Diameter | 2.125 INCHES NOMINAL IN |
| Thread Series | UN |
| Thread Pitch Diameters | +1.4459 TO 1.5000 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.875 INCHES IN |
| Specification/standard Data | 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 8B FIGURE |
| Nut Height | 0.410 INCHES NOMINAL IN |
| Nut Style | TUBE FITTING LOCKNUT |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | COPPER ALLOY OVERALL |
| Nominal Tube Outside Diameter | 1.500 INCHES IN |
| Packing Recess Depth | 0.410 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 |
|---|---|
| 24-070118-B | Sae International Dba Sae International (USA) |
| 24WLN-B PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| SAE J514-2 24 080118B PRIMARY | Sae International Dba Sae International (USA) |
| C50229-7 PRIMARY | Tuboscope Vetco International Inc. Div Hydra Rig (USA) |
| Reference | Meaning |
|---|---|
| 24-070118-B | 5/9 Secondary reference U.S. Government activity |
| SAE J514 24 080118B | 5/9 Secondary reference Sae International Dba Sae International |
| SAE-J514-2 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 24 080118B | 3/9 Design control — primary reference U.S. Government activity |
| SAE-J514 | 5/9 Secondary reference Sae International Dba Sae International |
| 24WLN-B | 5/9 Secondary reference U.S. Government activity |
| 24 080118B | 5/9 Secondary reference Sae International Dba Sae International |
| J514 | 5/9 Secondary reference U.S. Government activity |
| J514 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4730-01-343-3191 is a Locknut,tube Fitting, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-343-3191 has 4 manufacturer part numbers on file: 24-070118-B (Sae International Dba Sae International), 24WLN-B (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), SAE J514-2 24 080118B (Sae International Dba Sae International), C50229-7 (Tuboscope Vetco International Inc. Div Hydra Rig).
Key specifications for 24WLN-B: Width Across Flats: 2.875 INCHES NOMINAL IN; Packing Recess Diameter: 2.125 INCHES NOMINAL IN; Thread Series: UN; Thread Pitch Diameters: +1.4459 TO 1.5000 INCHES IN. 15 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.