The Reducer,pipe, cataloged under National Stock Number 4730-00-231-5657, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-231-5657 |
| Primary Part Number | WWP521TYPE2 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Maximum Operating Temp | 260.0 CELSIUS FIRST RESPONSE DEGC |
| Maximum Operating Temp | 65.6 CELSIUS SECOND RESPONSE DEGC |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Nominal Thread Size | 1.000 INCHES SECOND END IN |
| Material | IRON OVERALL |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Surface Treatment | ZINC OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| Nondefinitive Spec/std Data | 2 FAMILY |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Nominal Overall Length | 2.063 INCHES IN |
| Specification/standard Data | 81348-WW-P-521 GOVERNMENT SPECIFICATION |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Reducer Type | CONCENTRIC |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| WWP521TYPE2 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 4730-00-231-5657 is a Reducer,pipe, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-231-5657 has 1 cross-referenced part number: WWP521TYPE2 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 4730-00-231-5657: 4730-00-231-5654, 4730-00-231-5661, 4730-00-247-0923 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for WWP521TYPE2: Nominal Thread Size: 1.250 INCHES FIRST END IN; Maximum Operating Temp: 260.0 CELSIUS FIRST RESPONSE DEGC; Maximum Operating Temp: 65.6 CELSIUS SECOND RESPONSE DEGC; Connection Style: PLAIN (PIPE) ALL ENDS. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-231-5657 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.