The Valve,safety Relief, cataloged under National Stock Number 4820-00-176-4779, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, 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 | 4820-00-176-4779 |
| Primary Part Number | 562B1M31 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | ACTIVE |
| Material | COPPER BODY |
| Adjustable Pressure Range | +0.5 TO 140.0 POUNDS PER SQUARE INCH LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Surface Treatment | CHROMIUM LOCATION NOT OTHERWISE SPECIFIED |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Flow Control Device | POPPET |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Pipe Size Accommodated | 0.125 INCHES FIRST END IN |
| Valve Operation Method | AUTOMATIC |
| Style Designator | STRAIGHT THRU |
| Opening Pressure Setting | 31.0 POUNDS PER SQUARE INCH LBS |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | COPPER SEAT |
| Nominal Thread Size | 0.125 INCHES FIRST END IN |
| Surface Treatment | CHROMIUM LOCATION NOT OTHERWISE SPECIFIED |
| Thread Series Designator | NPT FIRST END |
| Disk Loading Method | SPRING |
| Thread Series Designator | NPT FIRST END |
| Adjustable Pressure Range | +0.5 TO 140.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 27 FIRST END |
| Material | COPPER AND RUBBER ETHYLENE-PROPYLENE CLASS EPM FLOW CONTROL DEVICE |
| Maximum Operating Temp | 200.0 CELSIUS SINGLE RESPONSE DEGC |
| Opening Pressure Setting | 31.0 POUNDS PER SQUARE INCH LBS |
| Nominal Thread Size | 0.125 INCHES FIRST END IN |
| Material | COPPER AND RUBBER ETHYLENE-PROPYLENE CLASS EPM FLOW CONTROL DEVICE |
| Renewable Seat Ring Type | PRESSED-IN |
| Thread Quantity Per Inch | 27 FIRST END |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | STRAIGHT THRU |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-176-4779 is a Valve,safety Relief, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-176-4779 has 4 cross-referenced part numbers: P69104-90 (Spectronics Corporation), 562B1M31 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), W011683 (Getinge Usa Inc), 11683 (Getinge Usa Inc).
There are 9 known substitutes for 4820-00-176-4779: 5340-00-324-2519, 5950-01-067-4929, 5930-01-106-4651 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 562B1M31: Material: COPPER BODY; Adjustable Pressure Range: +0.5 TO 140.0 POUNDS PER SQUARE INCH LBS; Thread Direction: RIGHT-HAND FIRST END; Surface Treatment: CHROMIUM LOCATION NOT OTHERWISE SPECIFIED. 29 total characteristics are documented in the Federal Logistics Information System.