The Tailpiece,union, cataloged under National Stock Number 4730-00-224-8041, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-224-8041 |
| Primary Part Number | SP13301 |
| Item Name | Tailpiece,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Union Outside Diameter | 1.031 INCHES NOMINAL IN |
| Seat Angle in Deg | 90.0 |
| End Connection Type | BRAZED |
| Seat Type | STRAIGHT FACE |
| Tubing Outside Diameter | 0.687 INCHES NOMINAL IN |
| Material | COPPER ALLOY 102 |
| Working Pressure and Service Type | 1570.0 POUNDS PER SQUARE INCH (PSI) NOMINAL AIR LBS |
| 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 |
|---|---|
| SP13301 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| WU13301 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 79920PC13 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 4730-00-224-8041 is a Tailpiece,union, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-224-8041 has 3 manufacturer part numbers on file: SP13301 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), WU13301 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 79920PC13 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for SP13301: Union Outside Diameter: 1.031 INCHES NOMINAL IN; Seat Angle in Deg: 90.0; End Connection Type: BRAZED; Overall Length: 0.344 INCHES NOMINAL IN. 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.