The Tailpiece,union, cataloged under National Stock Number 4730-01-210-3634, 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 Hydrasearch Company, Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-210-3634 |
| Primary Part Number | 6R48-2-8SS |
| Item Name | Tailpiece,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Union Outside Diameter | 0.500 INCHES NOMINAL IN |
| End Connection Type | BRAZED |
| Seat Type | STRAIGHT FACE |
| Tubing Outside Diameter | 0.500 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Working Pressure and Service Type | 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL HYDRAULIC OIL 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 |
|---|---|
| 6R48-2-8SS | Hydrasearch Company, Llc (USA) |
| MR48-2-8 | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA) |
| A6TL48-2-08 | American Piping Accessories Co Inc (USA) |
| Q408R-2-L | Ssp Fittings Corp (USA) |
| Reference | Meaning |
|---|---|
| Q408R-2SS | 5/9 Secondary reference Ssp Fittings Corp |
| 48R-2SS | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-210-3634 is a Tailpiece,union, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-210-3634 has 4 manufacturer part numbers on file: 6R48-2-8SS (Hydrasearch Company, Llc), MR48-2-8 (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc), A6TL48-2-08 (American Piping Accessories Co Inc), Q408R-2-L (Ssp Fittings Corp).
Key specifications for 6R48-2-8SS: Union Outside Diameter: 0.500 INCHES NOMINAL IN; End Connection Type: BRAZED; Overall Length: 1.125 INCHES NOMINAL IN; Seat Type: STRAIGHT FACE. 6 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.