The Union,pipe, cataloged under National Stock Number 4730-01-306-6281, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Ward Mfg Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-306-6281 |
| Primary Part Number | D.G250U |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Ward Mfg Inc |
| Status | ACTIVE |
| Material | IRON ALLOY OVERALL |
| Specification/standard Data | 81348-WW-U-351 GOVERNMENT SPECIFICATION |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Thread Series Designator | NPT SECOND END |
| Surface Treatment | ZINC OVERALL |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nondefinitive Spec/std Data | 2 CLASS AND B TYPE |
| Thread Series Designator | NPT FIRST END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ASME-B16.39 | The American Society of Mechanical Engineers (USA) |
| D.G250U PRIMARY | Ward Mfg Inc (USA) |
| WW-U-531 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 4730-01-306-6281 is a Union,pipe, manufactured by Ward Mfg Inc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-306-6281 has 3 cross-referenced part numbers: ASME-B16.39 (The American Society of Mechanical Engineers), D.G250U (Ward Mfg Inc), WW-U-531 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 8 known substitutes for 4730-01-306-6281: 4730-00-204-3392, 4730-00-266-3905, 4730-00-287-0166 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for D.G250U: Material: IRON ALLOY OVERALL; Specification/standard Data: 81348-WW-U-351 GOVERNMENT SPECIFICATION; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Nominal Thread Size: 0.500 INCHES FIRST END IN. 13 total characteristics are documented in the Federal Logistics Information System.