The Valve,check, cataloged under National Stock Number 4820-00-273-9905, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is The Walworth Company. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-273-9905 |
| Primary Part Number | 5344F |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Bolt Hole Quantity | 8 ALL ENDS |
| Valve Size | 3.500 INCHES IN |
| Maximum Operating Temp | 750.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | STEEL CORROSION RESISTING SEAT |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Mounting Position | HORIZONTAL |
| Face to Face Distance | 13.250 INCHES IN |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Outside Diameter | 9.000 INCHES ALL ENDS IN |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Nominal Thickness | 1.188 INCHES ALL ENDS IN |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Raised Face Nominal Diameter | 5.500 INCHES ALL ENDS IN |
| Bolt Circle Nominal Diameter | 7.250 INCHES ALL ENDS IN |
| Material | STEEL BODY |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Bolt Hole Nominal Diameter | 0.875 INCHES ALL ENDS IN |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Valve Operation Method | AUTOMATIC |
| Renewable Seat Ring Type | THREADED |
| Flow Control Device | DISK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5344F | The Walworth Company (USA) |
NSN 4820-00-273-9905 is a Valve,check, manufactured by The Walworth Company, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-273-9905 has 1 cross-referenced part number: 5344F (The Walworth Company).
There are 4 known substitutes for 4820-00-273-9905: 4820-00-273-9902, 4820-00-273-9903, 4820-00-273-9906 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5344F: Bolt Hole Quantity: 8 ALL ENDS; Valve Size: 3.500 INCHES IN; Maximum Operating Temp: 750.0 FAHRENHEIT SINGLE RESPONSE DEGF; Material: STEEL CORROSION RESISTING SEAT. 23 total characteristics are documented in the Federal Logistics Information System.