The Valve,safety Relief, cataloged under National Stock Number 4820-01-317-2744, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-317-2744 |
| Primary Part Number | 20277735 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Maximum Operating Temp | 180.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | WATER, FRESH SECOND RESPONSE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Style Designator | ANGLE |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Disk Loading Method | SPRING |
| Bonnet Attachment Method | THREADED |
| Nominal Pipe Size Accommodated | 0.750 INCHES ALL ENDS IN |
| Material | COPPER ALLOY BODY |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| Connection Style | SOCKET WITH BRAZING RING ALL ENDS |
| Flow Control Device | DISK |
| Media for Which Designed | AIR FIRST RESPONSE |
| Material | NICKEL ALLOY SEAT |
| Material | NICKEL ALLOY STEM |
| Bonnet Type | INSIDE SCREW |
| Adjustable Pressure Range | +130.0 TO 200.0 POUNDS PER SQUARE INCH LBS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C3650 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| C3650 1385 3/4IN. | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 20277735 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
NSN 4820-01-317-2744 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 4820-01-317-2744 has 3 cross-referenced part numbers: C3650 (Leslie Controls, Inc. Dba Leslie Controls Inc), C3650 1385 3/4IN. (Leslie Controls, Inc. Dba Leslie Controls Inc), 20277735 (Leslie Controls, Inc. Dba Leslie Controls Inc).
There are 8 known substitutes for 4820-01-317-2744: 4820-01-197-3710, 4820-01-262-7515, 4820-01-262-8427 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20277735: Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF; Media for Which Designed: WATER, FRESH SECOND RESPONSE; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING; Style Designator: ANGLE. 19 total characteristics are documented in the Federal Logistics Information System.