The Valve,check, cataloged under National Stock Number 4820-01-314-3975, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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 | 4820-01-314-3975 |
| Primary Part Number | B-M-374-4 ITEM 374 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL CORROSION RESISTING BODY |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Face to Face Distance | 3.750 INCHES IN |
| Flow Control Device | DISK |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Maximum Operating Temp | 500.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Pipe Size Accommodated | 0.750 INCHES ALL ENDS IN |
| Valve Size | 0.750 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B-M-374-4 ITEM 374 PRIMARY | Hunt Valve Company, Inc. (USA) |
| 374-4 | Hunt Valve Company, Inc. (USA) |
| B-M-374-4 ITEM | Walworth-Aloyco (USA) |
NSN 4820-01-314-3975 is a Valve,check, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-314-3975 has 3 cross-referenced part numbers: B-M-374-4 ITEM 374 (Hunt Valve Company, Inc.), 374-4 (Hunt Valve Company, Inc.), B-M-374-4 ITEM (Walworth-Aloyco).
There are 8 known substitutes for 4820-01-314-3975: 4920-00-032-9609, 5935-00-173-7846, 2825-00-399-3744 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for B-M-374-4 ITEM 374: Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: STEEL CORROSION RESISTING BODY; Style Designator: STRAIGHT THRU FLANGED ENDS; Face to Face Distance: 3.750 INCHES IN. 11 total characteristics are documented in the Federal Logistics Information System.