The Valve,safety Relief, cataloged under National Stock Number 4820-00-287-3400, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 29 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-287-3400 |
| Primary Part Number | 118-1-40 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) FIRST END |
| Thread Direction | RIGHT-HAND SECOND END |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Operation Method | AUTOMATIC |
| Nominal Pipe Size Accommodated | 1.000 INCHES FIRST END IN |
| Nominal Thread Size | 1.000 INCHES FIRST END IN |
| Style Designator | ANGLE |
| Disk Loading Method | SPRING |
| Thread Quantity Per Inch | 11-1/2 FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Bonnet Attachment Method | THREADED |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Material | BRONZE BODY |
| Thread Series Designator | NPT SECOND END |
| Bonnet Type | INSIDE SPRING |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Thread Series Designator | NPT FIRST END |
| Adjustable Pressure Range | +29.0 TO 40.0 POUNDS PER SQUARE INCH LBS |
| Nominal Pipe Size Accommodated | 1.000 INCHES SECOND END IN |
| Thread Quantity Per Inch | 11-1/2 SECOND END |
| Maximum Operating Temp | 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| Flow Control Device | DISK |
| Nominal Thread Size | 1.000 INCHES SECOND END IN |
| Renewable Seat Ring Type | BOLTED |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) SECOND END |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 118-1-40 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
NSN 4820-00-287-3400 is a Valve,safety Relief, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-287-3400 has 1 cross-referenced part number: 118-1-40 (Leslie Controls, Inc. Dba Leslie Controls Inc).
There are 4 known substitutes for 4820-00-287-3400: 6145-00-409-5966, 5910-00-686-7877, 5985-00-757-3013 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 118-1-40: Connection Style: PLAIN (PIPE) FIRST END; Thread Direction: RIGHT-HAND SECOND END; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Operation Method: AUTOMATIC. 29 total characteristics are documented in the Federal Logistics Information System.