The Valve,check, cataloged under National Stock Number 4820-01-361-4004, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-361-4004 |
| Primary Part Number | CV99-158-24 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | CANCELLED |
| Material | STEEL CORROSION RESISTING BODY |
| Maximum Operating Temp | 290.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Direction | RIGHT-HAND FIRST END |
| Flow Control Device | POPPET |
| Thread Class | 3A FIRST END A |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Quantity Per Inch | 12 FIRST END |
| Valve Operation Method | AUTOMATIC |
| Connection Type | UNTHREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES SECOND END IN |
| Operating Pressure | 133.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Style Designator | STRAIGHT THRU |
| Connection Style | GROOVED (TUBE) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Nominal Thread Size | 1.875 INCHES FIRST END IN |
| Mounting Position | HORIZONTAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 74B580185-117 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 10124724 | Nimikkeistokeskus Ncb Finland (FIN) |
| CV99-158-24 PRIMARY | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
| CV99-127-24 | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
| 74B580185-111 | The Boeing Company Div Defense (USA) |
| 74B580185-117 | The Boeing Company Div Defense (USA) |
NSN 4820-01-361-4004 is a Valve,check, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-361-4004 has 6 cross-referenced part numbers: 74B580185-117 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 10124724 (Nimikkeistokeskus Ncb Finland), CV99-158-24 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), CV99-127-24 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 74B580185-111 (The Boeing Company Div Defense) and 1 more.
There is 1 known substitute for 4820-01-361-4004: 5940-00-500-8722. Verify interchangeability with system specifications before substitution.
Key specifications for CV99-158-24: Material: STEEL CORROSION RESISTING BODY; Maximum Operating Temp: 290.0 FAHRENHEIT SINGLE RESPONSE DEGF; Thread Direction: RIGHT-HAND FIRST END; Flow Control Device: POPPET. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-361-4004 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.