The Valve,check, cataloged under National Stock Number 4820-00-329-8088, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-329-8088 |
| Primary Part Number | P1-301 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | CANCELLED |
| Disk Loading Method | SPRING |
| Thread Quantity Per Inch | 11-1/2 FIRST END |
| Material | COPPER ALLOY SEAT |
| Valve Operation Method | AUTOMATIC |
| Maximum Operating Temp | 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flow Control Device | DISK |
| Thread Series Designator | NPT ALL ENDS |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | STRAIGHT THRU |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Material | COPPER ALLOY BODY |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 812E5587 | Kersey / American Lafrance a Div of Figgie International Inc (USA) |
| PL301 | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
| P1-301 PRIMARY | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
| P301 | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
NSN 4820-00-329-8088 is a Valve,check, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-329-8088 has 4 cross-referenced part numbers: 812E5587 (Kersey / American Lafrance a Div of Figgie International Inc), PL301 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), P1-301 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), P301 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).
There are 11 known substitutes for 4820-00-329-8088: 5910-00-081-3871, 6240-00-155-7947, 5315-00-262-8110 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for P1-301: Disk Loading Method: SPRING; Thread Quantity Per Inch: 11-1/2 FIRST END; Material: COPPER ALLOY SEAT; Valve Operation Method: AUTOMATIC. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-329-8088 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.