The Valve,check, cataloged under National Stock Number 4820-01-321-5357, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Cv International, Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-321-5357 |
| Primary Part Number | 801081 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Cv International, Inc. |
| Status | ACTIVE |
| Material | ALUMINUM BODY |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Flow Control Device | DISK |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Style Designator | STRAIGHT THRU |
| Disk Loading Method | SPRING |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-321-5357 is a Valve,check, manufactured by Cv International, Inc., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-321-5357 has 2 cross-referenced part numbers: 801081 (Cv International, Inc.), 801081 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 3 known substitutes for 4820-01-321-5357: 2520-00-737-5128, 5315-01-040-8670, 5995-01-559-4678. Verify interchangeability with system specifications before substitution.
Key specifications for 801081: Material: ALUMINUM BODY; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Valve Operation Method: AUTOMATIC; Flow Control Device: DISK. 10 total characteristics are documented in the Federal Logistics Information System.