The Union,pipe, cataloged under National Stock Number 4730-01-306-6279, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-306-6279 |
| Primary Part Number | 1.G250U |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Ward Mfg Inc |
| Status | ACTIVE |
| Surface Treatment | ZINC OVERALL |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Specification/standard Data | 81348-WW-U-351 GOVERNMENT SPECIFICATION |
| Thread Series Designator | NPT SECOND END |
| Nominal Thread Size | 1.000 INCHES FIRST END IN |
| Nondefinitive Spec/std Data | L2 SCHEDULE AND B TYPE |
| Material | IRON ALLOY OVERALL |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Thread Series Designator | NPT FIRST END |
| Nominal Thread Size | 1.000 INCHES SECOND END IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1.G250U PRIMARY | Ward Mfg Inc (USA) |
| WW-U-531 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| ASMEB16.39-38TA | The American Society of Mechanical Engineers (USA) |
NSN 4730-01-306-6279 is a Union,pipe, manufactured by Ward Mfg Inc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-306-6279 has 3 cross-referenced part numbers: 1.G250U (Ward Mfg Inc), WW-U-531 (Federal Specifications Promulgated by General Services Administration Washington DC), ASMEB16.39-38TA (The American Society of Mechanical Engineers).
There are 9 known substitutes for 4730-01-306-6279: 4730-00-189-2627, 4730-00-204-3392, 4730-00-266-3905 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1.G250U: Surface Treatment: ZINC OVERALL; Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Specification/standard Data: 81348-WW-U-351 GOVERNMENT SPECIFICATION; Thread Series Designator: NPT SECOND END. 13 total characteristics are documented in the Federal Logistics Information System.