The Valve,check, cataloged under National Stock Number 4820-01-222-7809, 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 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-222-7809 |
| Primary Part Number | 2349A-2MM-12 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | ACTIVE |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | ALUMINUM ALLOY 2024 BODY |
| Media for Which Designed | CARBON DIOXIDE FIFTH RESPONSE |
| Style Designator | STRAIGHT THRU |
| Thread Series Designator | NPT ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Media for Which Designed | ACETYLENE SECOND RESPONSE |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Flow Control Device | DISK |
| Media for Which Designed | AIR FIRST RESPONSE |
| Valve Operation Method | AUTOMATIC |
| Media for Which Designed | AMMONIA, GASEOUS THIRD RESPONSE |
| Media for Which Designed | AMMONIA, LIQUID FOURTH RESPONSE |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Disk Loading Method | SPRING |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2349A-2MM-12 PRIMARY | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
| 804592-1 | Raytheon Company Dba Raytheon (USA) |
| 6C241 | Allen Aircraft Products Inc (USA) |
| 804592 | Raytheon Company Dba Raytheon (USA) |
NSN 4820-01-222-7809 is a Valve,check, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-222-7809 has 4 cross-referenced part numbers: 2349A-2MM-12 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 804592-1 (Raytheon Company Dba Raytheon), 6C241 (Allen Aircraft Products Inc), 804592 (Raytheon Company Dba Raytheon).
There are 2 known substitutes for 4820-01-222-7809: 5905-00-402-9090, 5120-01-486-2222. Verify interchangeability with system specifications before substitution.
Key specifications for 2349A-2MM-12: Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: ALUMINUM ALLOY 2024 BODY; Media for Which Designed: CARBON DIOXIDE FIFTH RESPONSE; Style Designator: STRAIGHT THRU. 20 total characteristics are documented in the Federal Logistics Information System.