The Elbow,pipe, cataloged under National Stock Number 4730-00-278-4188, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-278-4188 |
| Primary Part Number | WWP521 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Thread Series Designator | NPT ALL ENDS |
| Flow Angle | 45.0 DEGREES |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Material Document and Classification | ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Pipe Size Accommodated | 0.375 INCHES ALL ENDS IN |
| Maximum Operating Temp | 500.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Leg Length | 0.800 INCHES NOMINAL ALL ENDS IN |
| Maximum Operating Temp | 148.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Nondefinitive Spec/std Data | 1 TYPE |
| Material | IRON OR IRON ALLOY OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| WWP521 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| B16.3 | The American Society of Mechanical Engineers (USA) |
| 850808 | Sicard a Division of Smi-Snowblast Inc Dba Sicard (USA) |
| 119093 | Rolls-Royce Solutions America Inc (USA) |
| 262E3-8 | Crane Co Div Valve Div (USA) |
| 120702 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 8508-3-8 | Wright Line Inc Sub of Barry Wright Corp (USA) |
| 119093 | General Motors Corp (USA) |
NSN 4730-00-278-4188 is a Elbow,pipe, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-278-4188 has 8 cross-referenced part numbers: WWP521 (Federal Specifications Promulgated by General Services Administration Washington DC), B16.3 (The American Society of Mechanical Engineers), 850808 (Sicard a Division of Smi-Snowblast Inc Dba Sicard), 119093 (Rolls-Royce Solutions America Inc), 262E3-8 (Crane Co Div Valve Div) and 3 more.
There are 10 known substitutes for 4730-00-278-4188: 5999-00-186-8951, 4730-00-278-2929, 5315-00-292-4765 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for WWP521: Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Thread Series Designator: NPT ALL ENDS; Flow Angle: 45.0 DEGREES. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-278-4188 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.