The Valve,check, cataloged under National Stock Number 4820-00-902-8649, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aerocontrolex Group, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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 | 4820-00-902-8649 |
| Primary Part Number | 5040-3-2 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Aerocontrolex Group, Inc. |
| Status | CANCELLED |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Valve Operation Method | AUTOMATIC |
| Material | ALUMINUM ALLOY BODY |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Connection Type | UNTHREADED EXTERNAL TUBE ALL ENDS |
| Operating Pressure | 8.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Flow Control Device | POPPET |
| Disk Loading Method | SPRING |
| Style Designator | STRAIGHT THRU |
| Material | ALUMINUM ALLOY SEAT |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES ALL ENDS IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5040-3-2 PRIMARY | Aerocontrolex Group, Inc. (USA) |
| 128SCEC164-1 | Northrop Grumman Systems Corporation (USA) |
| 128SCEC164-1 | Northrop Grumman Systems Corporation (USA) |
NSN 4820-00-902-8649 is a Valve,check, manufactured by Aerocontrolex Group, Inc., classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-902-8649 has 3 cross-referenced part numbers: 5040-3-2 (Aerocontrolex Group, Inc.), 128SCEC164-1 (Northrop Grumman Systems Corporation), 128SCEC164-1 (Northrop Grumman Systems Corporation).
There is 1 known substitute for 4820-00-902-8649: 3030-00-722-2095. Verify interchangeability with system specifications before substitution.
Key specifications for 5040-3-2: Mounting Position: HORIZONTAL OR VERTICAL; Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF; Valve Operation Method: AUTOMATIC; Material: ALUMINUM ALLOY BODY. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-902-8649 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.