The Valve,check, cataloged under National Stock Number 4820-01-240-8386, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-240-8386 |
| Primary Part Number | A07-2035B-02TS |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Connection Style | SOCKET (TUBE) SECOND END |
| Bolt Hole Quantity | 4 FIRST END |
| Disk Loading Method | SPRING |
| Raised Face Nominal Height | 0.250 INCHES FIRST END IN |
| Material Document and Classification | ASTM A105-59T,GR 2 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Bolt Circle Nominal Diameter | 4.500 INCHES FIRST END IN |
| Nominal Thickness | 0.875 INCHES FIRST END IN |
| Material | STEEL FLOW CONTROL DEVICE |
| Mounting Position | VERTICAL |
| Valve Operation Method | AUTOMATIC |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Style Designator | ANGLE |
| Connection Type | FLANGE FIRST END |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flow Control Device | PISTON |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Raised Face Nominal Diameter | 2.875 INCHES FIRST END IN |
| Bolt Hole Nominal Diameter | 0.875 INCHES FIRST END IN |
| Nominal Outside Diameter | 6.125 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES SECOND END IN |
| Material | STEEL SEAT |
| Material | STEEL UNS J03002 BODY |
| Material | STEEL CORROSION RESISTING STEM |
| Maximum Operating Temp | 775.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A07-2035B-02TS PRIMARY | Velan Valve Corp. (USA) |
| 33351 | Velan Valve Corp. (USA) |
NSN 4820-01-240-8386 is a Valve,check, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-240-8386 has 2 cross-referenced part numbers: A07-2035B-02TS (Velan Valve Corp.), 33351 (Velan Valve Corp.).
There are 8 known substitutes for 4820-01-240-8386: 6620-00-229-0652, 6620-00-242-3230, 5306-00-732-8294 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for A07-2035B-02TS: Connection Style: SOCKET (TUBE) SECOND END; Bolt Hole Quantity: 4 FIRST END; Disk Loading Method: SPRING; Raised Face Nominal Height: 0.250 INCHES FIRST END IN. 25 total characteristics are documented in the Federal Logistics Information System.