The Valve,angle, cataloged under National Stock Number 4820-00-287-2494, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Scott Valve Mfg Co. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, 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 | 4820-00-287-2494 |
| Primary Part Number | 221 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Scott Valve Mfg Co |
| Status | CANCELLED |
| Flow Control Device | DISK |
| Style Designator | ANGLE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.250 INCHES ALL ENDS IN |
| Thread Quantity Per Inch | 11-1/2 ALL ENDS |
| Valve Operation Method | MANUAL |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Features Provided | BONNET PACKING |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Maximum Operating Temp | 150.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Nondefinitive Spec/std Data | 1 TYPE AND C CLASS AND 1-1/4 SIZE |
| Material | COPPER ALLOY 922 OVERALL |
| Bonnet Attachment Method | THREADED |
| Bonnet Type | INSIDE SCREW |
| Thread Series Designator | NPT ALL ENDS |
| Material Document and Classification | QQ-C-390,ALLOY D4/D FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Maximum Operating Temp | 550.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 221 | Scott Valve Mfg Co (USA) |
| WWV51 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 046 | Fairbanks Co the (USA) |
| WWV51 | Crane Co Div Valve Div (USA) |
| 235 | Lunkenheimer Co (USA) |
| 904074 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
NSN 4820-00-287-2494 is a Valve,angle, manufactured by Scott Valve Mfg Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-287-2494 has 6 cross-referenced part numbers: 221 (Scott Valve Mfg Co), WWV51 (Federal Specifications Promulgated by General Services Administration Washington DC), 046 (Fairbanks Co the), WWV51 (Crane Co Div Valve Div), 235 (Lunkenheimer Co) and 1 more.
There are 12 known substitutes for 4820-00-287-2494: 4820-00-155-2663, 3110-00-198-2949, 7520-00-240-4831 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 221: Flow Control Device: DISK; Style Designator: ANGLE; Thread Direction: RIGHT-HAND ALL ENDS; Nominal Thread Size: 1.250 INCHES ALL ENDS IN. 21 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-287-2494 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.