The Elbow,pipe, cataloged under National Stock Number 4730-00-277-5639, 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 20 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: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-277-5639 |
| Primary Part Number | WWP521TYPE2 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Surface Treatment | ZINC INSIDE |
| Surface Treatment | ZINC OUTSIDE |
| Leg Length | 4.380 INCHES MINIMUM AND 4.620 INCHES MAXIMUM ALL ENDS IN |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Maximum Operating Temp | 65.0 CELSIUS SECOND RESPONSE DEGC |
| Flow Angle | 90.0 DEGREES |
| Material | IRON OVERALL |
| Nondefinitive Spec/std Data | 2 TYPE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Surface Treatment Document and Classification | MIL-Z-1787 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Thread Series Designator | NPT ALL ENDS |
| Nominal Thread Size | 5.000 INCHES ALL ENDS IN |
| Nominal Pipe Size Accommodated | 5.000 INCHES ALL ENDS IN |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Maximum Operating Temp | 260.0 CELSIUS FIRST RESPONSE DEGC |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Surface Treatment Document and Classification | MIL-Z-1787 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| WWP521TYPE2 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 4730-00-277-5639 is a Elbow,pipe, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-277-5639 has 1 cross-referenced part number: WWP521TYPE2 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 4730-00-277-5639: 4730-00-231-5654, 4730-00-231-5657, 4730-00-231-5661 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for WWP521TYPE2: Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS; Surface Treatment: ZINC INSIDE; Surface Treatment: ZINC OUTSIDE; Leg Length: 4.380 INCHES MINIMUM AND 4.620 INCHES MAXIMUM ALL ENDS IN. 20 total characteristics are documented in the Federal Logistics Information System.