The Valve,check, cataloged under National Stock Number 4820-01-049-0090, 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 29 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-049-0090 |
| Primary Part Number | W08-3035B-02TS |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Nominal Thickness | 1.500 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 2.000 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 6.500 INCHES SECOND END IN |
| Material | STEEL BODY |
| Valve Operation Method | AUTOMATIC |
| Raised Face Nominal Diameter | 3.625 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 1.125 INCHES SECOND END IN |
| Raised Face Nominal Height | 0.250 INCHES SECOND END IN |
| Material Document and Classification | ASTM A105,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Material | STEEL SEAT |
| Connection Type | FLANGE SECOND END |
| Valve Size | 2.000 INCHES IN |
| Flow Control Device | PISTON |
| Bolt Hole Quantity | 8 SECOND END |
| Material Document and Classification | ASTM A105,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Connection Style | SOCKET (PIPE) FIRST END |
| Nominal Outside Diameter | 8.500 INCHES SECOND END IN |
| Maximum Operating Temp | 775.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | STEEL COMP 416 FLOW CONTROL DEVICE |
| First Connection Face to Centerline Distance | 4.500 INCHES IN |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Mounting Position | HORIZONTAL |
| Style Designator | ANGLE FLANGED ENDS |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Second Connection Face to Centerline Distance | 7.250 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| W08-3035B-02TS PRIMARY | Velan Valve Corp. (USA) |
| 33352 | Velan Valve Corp. (USA) |
NSN 4820-01-049-0090 is a Valve,check, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-049-0090 has 2 cross-referenced part numbers: W08-3035B-02TS (Velan Valve Corp.), 33352 (Velan Valve Corp.).
There are 5 known substitutes for 4820-01-049-0090: 6650-00-091-1627, 5340-00-229-7717, 5306-00-613-9396 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for W08-3035B-02TS: Nominal Thickness: 1.500 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 2.000 INCHES FIRST END IN; Bolt Circle Nominal Diameter: 6.500 INCHES SECOND END IN; Material: STEEL BODY. 30 total characteristics are documented in the Federal Logistics Information System.