The Valve,check, cataloged under National Stock Number 4820-00-341-3906, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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 | 4820-00-341-3906 |
| Primary Part Number | P52-533 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | ACTIVE |
| Maximum Operating Temp | 450.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Bolt Hole Quantity | 4 FIRST END |
| Bolt Hole Nominal Diameter | 0.220 INCHES FIRST END IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.325 INCHES FIRST END IN |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Style Designator | STRAIGHT THRU |
| Nominal Width | 1.820 INCHES FIRST END IN |
| Nominal Length | 1.830 INCHES FIRST END IN |
| Surface Treatment | ANODIZE |
| Material Document and Classification | QQ-A-225/6,ALLOY 2024,T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Flange Face Design | RECESSED STRAIGHT FIRST END |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.325 INCHES FIRST END IN |
| Operating Pressure | 36.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Disk Loading Method | SPRING |
| Flow Control Device | DISK |
| Connection Type | FLANGE FIRST END |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Style | BEADED (HOSE) SECOND END |
| Connection Type | UNTHREADED EXTERNAL HOSE SECOND END |
| Nominal Thickness | 0.255 INCHES FIRST END IN |
| Valve Operation Method | AUTOMATIC |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Maximum Operating Temp | -65.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-341-3906 is a Valve,check, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-341-3906 has 2 cross-referenced part numbers: P52-533 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), ST7M353-1 (The Boeing Company Div Defense).
There are 2 known substitutes for 4820-00-341-3906: 4820-00-217-2815, 5910-00-930-6170. Verify interchangeability with system specifications before substitution.
Key specifications for P52-533: Maximum Operating Temp: 450.0 FAHRENHEIT SECOND RESPONSE DEGF; Bolt Hole Quantity: 4 FIRST END; Bolt Hole Nominal Diameter: 0.220 INCHES FIRST END IN; Material: ALUMINUM ALLOY 2024 OVERALL. 25 total characteristics are documented in the Federal Logistics Information System.