The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-326-3047, 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 19 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-326-3047 |
| Primary Part Number | 4WLO-WLNL-S |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 PREFORMED PACKING AND 1 BULKHEAD NUT |
| Connection Style | GASKET SEAL (TUBE) ALL ENDS |
| Nominal Overall Length | 1.900 INCHES IN |
| Criticality Code Justification | FEAT |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | PLAIN W/ BULKHEAD THREAD |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Leg Length | 1.240 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.660 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END BULKHEAD IN |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Specification/standard Data | 81343-J1453 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 12 FIGURE |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2A FIRST END BULKHEAD A |
| Thread Class | 2A ALL ENDS A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| Thread Series Designator | UNF FIRST END BULKHEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 1918580 | Oshkosh Defense Llc (USA) |
| 4WLO-WLNL-S PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| SAE J1453-3 4-4 520601CA PRIMARY | Sae International Dba Sae International (USA) |
| 38H1284 | Deere & Company Dba Deere John Co (USA) |
| FF1994T-0404S PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| 4 WLO-WLNL-S | Parker Hannifin France SAS (FRA) |
| Reference | Meaning |
|---|---|
| 4-4 520601CA | 3/9 Design control — primary reference U.S. Government activity |
| J1453 | 5/9 Secondary reference U.S. Government activity |
| 4-4 520601CA | 5/9 Secondary reference Sae International Dba Sae International |
| 1918580 | 5/9 Secondary reference Oshkosh Corp |
| 4WLO-WLNL-S | 5/9 Secondary reference U.S. Government activity |
| 832-TT-04 | 5/9 Secondary reference Parker Hannifin Corp Hose Products Div |
| J1453 | 5/1 Secondary reference Sae International Dba Sae International |
| SAE-J1453/3 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 832-TT-04 | 5/9 Secondary reference Imperial |
| 3948102C1 | 5/1 Secondary reference Nd Defense Llc |
NSN 4730-01-326-3047 is a Adapter,straight,tube to Boss, 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 4730-01-326-3047 has 6 manufacturer part numbers on file: 1918580 (Oshkosh Defense Llc), 4WLO-WLNL-S (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), SAE J1453-3 4-4 520601CA (Sae International Dba Sae International), 38H1284 (Deere & Company Dba Deere John Co), FF1994T-0404S (Danfoss Power Solutions II, Llc) and 1 more.
Key specifications for 4WLO-WLNL-S: Furnished Items and Quantity: 2 PREFORMED PACKING AND 1 BULKHEAD NUT; Connection Style: GASKET SEAL (TUBE) ALL ENDS; Nominal Overall Length: 1.900 INCHES IN; Criticality Code Justification: FEAT. 19 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.