The Valve,safety Relief, cataloged under National Stock Number 4820-01-222-2716, 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 18 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-222-2716 |
| Primary Part Number | C3459 1.25IN12T35PSI PL4142 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Disk Loading Method | SPRING |
| Material | NICKEL ALLOY 400 STEM |
| Media for Which Designed | AIR SECOND RESPONSE |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES ALL ENDS IN |
| Style Designator | ANGLE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| Maximum Operating Temp | 180.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | SOCKET WITH BRAZING RING (TUBE) ALL ENDS |
| Media for Which Designed | WATER, FRESH FIRST RESPONSE |
| Adjustable Pressure Range | +12.0 TO 35.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| Material | COPPER ALLOY 922 BODY |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Attachment Method | THREADED |
| Furnished Items and Quantity | 1 LEVER AND 2 NUT AND 2 TAILPIECE |
| Bonnet Type | INSIDE SCREW |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C3459 1.25IN12T35PSI PL4142 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 1384 1.25IN12T3 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| C3459 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
NSN 4820-01-222-2716 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 4820-01-222-2716 has 3 cross-referenced part numbers: C3459 1.25IN12T35PSI PL4142 (Leslie Controls, Inc. Dba Leslie Controls Inc), 1384 1.25IN12T3 (Leslie Controls, Inc. Dba Leslie Controls Inc), C3459 (Leslie Controls, Inc. Dba Leslie Controls Inc).
There are 9 known substitutes for 4820-01-222-2716: 4820-01-197-3710, 4820-01-198-2745, 4820-01-222-0216 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for C3459 1.25IN12T35PSI PL4142: Flow Control Device: DISK; Disk Loading Method: SPRING; Material: NICKEL ALLOY 400 STEM; Media for Which Designed: AIR SECOND RESPONSE. 18 total characteristics are documented in the Federal Logistics Information System.