The Valve,safety Relief, cataloged under National Stock Number 4820-00-293-7670, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-293-7670 |
| Primary Part Number | 940-36 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Nominal Thread Size | 1.500 INCHES FIRST END IN |
| Style Designator | ANGLE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | COPPER ALLOY OVERALL |
| Opening Pressure Setting | 5.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | NPT FIRST END |
| Thread Direction | RIGHT-HAND FIRST END |
| Valve Operation Method | AUTOMATIC |
| Nominal Thread Size | 1.500 INCHES SECOND END IN |
| Connection Style | PLAIN (PIPE) SECOND END |
| Maximum Operating Temp | 200.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Maximum Operating Temp | 300.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Connection Style | PLAIN,OPTIONAL END(PIPE) FIRST END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Thread Direction | RIGHT-HAND SECOND END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Flow Control Device | DISK |
| Operating Pressure | 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Thread Series Designator | NPT SECOND END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 940-36 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| MIL-V-18634 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 940-36 | Aqua-Chem Inc Cleaver-Brooks Div (USA) |
NSN 4820-00-293-7670 is a Valve,safety Relief, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-293-7670 has 3 cross-referenced part numbers: 940-36 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), MIL-V-18634 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 940-36 (Aqua-Chem Inc Cleaver-Brooks Div).
There are 6 known substitutes for 4820-00-293-7670: 4820-00-294-2683, 5915-00-501-0074, 5935-00-644-6823 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 940-36: Nominal Thread Size: 1.500 INCHES FIRST END IN; Style Designator: ANGLE; Media for Which Designed: STEAM FIRST RESPONSE; Material: COPPER ALLOY OVERALL. 21 total characteristics are documented in the Federal Logistics Information System.