The Valve,check, cataloged under National Stock Number 4820-01-422-4090, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Admiral Valve Llc Dba Cpv Manufacturing. Government technical data includes 2 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-422-4090 |
| Primary Part Number | 665-4 PL-307 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Admiral Valve Llc Dba Cpv Manufacturing |
| Status | ACTIVE |
| Material | COPPER ALLOY SEAT |
| Style Designator | STRAIGHT THRU DROP-IN CARTRIDGE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 665-4 PL-307 PRIMARY | Admiral Valve Llc Dba Cpv Manufacturing (USA) |
| B-3180 | Gould Engineering and Sales Co Inc (USA) |
NSN 4820-01-422-4090 is a Valve,check, manufactured by Admiral Valve Llc Dba Cpv Manufacturing, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-422-4090 has 2 cross-referenced part numbers: 665-4 PL-307 (Admiral Valve Llc Dba Cpv Manufacturing), B-3180 (Gould Engineering and Sales Co Inc).
There is 1 known substitute for 4820-01-422-4090: 4820-01-417-1471. Verify interchangeability with system specifications before substitution.
Key specifications for 665-4 PL-307: Material: COPPER ALLOY SEAT; Style Designator: STRAIGHT THRU DROP-IN CARTRIDGE; End Item Identification: VALVE. 3 total characteristics are documented in the Federal Logistics Information System.