The Valve,check, cataloged under National Stock Number 4820-00-273-9908, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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 | 4820-00-273-9908 |
| Primary Part Number | 5344F6IN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Material Document and Classification | ASTM A216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Valve Operation Method | AUTOMATIC |
| Valve Size | 6.000 INCHES IN |
| Maximum Operating Temp | 750.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Mounting Position | HORIZONTAL |
| Bolt Hole Quantity | 12 ALL ENDS |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bolt Circle Nominal Diameter | 10.625 INCHES ALL ENDS IN |
| Material | STEEL UNS J03002 BODY |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Material Document and Classification | ASTM A216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Bolt Hole Nominal Diameter | 0.875 INCHES ALL ENDS IN |
| Media for Which Designed | OIL FIRST RESPONSE |
| Test Data Document | 05047-ASAB16.5 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Nominal Thickness | 1.438 INCHES ALL ENDS IN |
| Nominal Outside Diameter | 12.500 INCHES ALL ENDS IN |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Raised Face Nominal Diameter | 8.500 INCHES ALL ENDS IN |
| Face to Face Distance | 17.500 INCHES IN |
| Flow Control Device | DISK |
| Renewable Seat Ring Type | THREADED |
| Material | STEEL CORROSION RESISTING SEAT |
| Media for Which Designed | WATER, FRESH SECOND RESPONSE |
| Connection Type | FLANGE ALL ENDS |
| Material | STEEL UNS J03002 FLOW CONTROL DEVICE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-273-9908 is a Valve,check, manufactured by The Walworth Company, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-273-9908 has 5 cross-referenced part numbers: 5344F (The Walworth Company), 3072-6IN (Lunkenheimer Co), 5344F6IN (The Walworth Company), CS372-6IN (Nibco Inc), 159XU (Crane Co Div Valve Div).
There are 4 known substitutes for 4820-00-273-9908: 4820-00-273-9902, 4820-00-273-9903, 4820-00-273-9905 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5344F6IN: Material Document and Classification: ASTM A216 GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE; Valve Operation Method: AUTOMATIC; Valve Size: 6.000 INCHES IN; Maximum Operating Temp: 750.0 FAHRENHEIT SINGLE RESPONSE DEGF. 28 total characteristics are documented in the Federal Logistics Information System.