The Valve,check, cataloged under National Stock Number 4820-00-307-8546, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 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 | 4820-00-307-8546 |
| Primary Part Number | 340-6700-937207PCV18 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Nominal Outside Diameter Tube Accommodated | 1.050 INCHES ALL ENDS IN |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Valve Operation Method | AUTOMATIC |
| Material | COPPER ALLOY BODY |
| Offset Distance | 1.000 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Style | GROOVED INSIDE ALL ENDS |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Material | COPPER ALLOY SEAT |
| Style Designator | OFFSET |
| Disk Loading Method | SPRING |
| Flow Control Device | DISK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 340-6700-937207PCV18 PRIMARY | Naval Sea Systems Command (USA) |
| 3868-141PCV18 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 340-6700-937207PCV18 | Naval Ship Systems Command (USA) |
| 4DP2091APC330-3-4 PRIMARY | The Walworth Company (USA) |
| 330-3-4 PRIMARY | The Walworth Company (USA) |
NSN 4820-00-307-8546 is a Valve,check, manufactured by Naval Sea Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-307-8546 has 5 cross-referenced part numbers: 340-6700-937207PCV18 (Naval Sea Systems Command), 3868-141PCV18 (Electric Boat Corporation Div General Dynamics Electric Boat), 340-6700-937207PCV18 (Naval Ship Systems Command), 4DP2091APC330-3-4 (The Walworth Company), 330-3-4 (The Walworth Company).
There are 4 known substitutes for 4820-00-307-8546: 2910-00-652-4446, 5950-00-797-1707, 5940-01-235-6476 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 340-6700-937207PCV18: Nominal Outside Diameter Tube Accommodated: 1.050 INCHES ALL ENDS IN; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Valve Operation Method: AUTOMATIC; Material: COPPER ALLOY BODY. 14 total characteristics are documented in the Federal Logistics Information System.