The Cartridge,stop-Check Valve, cataloged under National Stock Number 4820-01-417-1471, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-417-1471 |
| Primary Part Number | 665-4 |
| Item Name | Cartridge,stop-Check Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Admiral Valve Llc Dba Cpv Manufacturing |
| Status | ACTIVE |
| Valve Size | 1.000 INCHES IN |
| Thread Size and Series/type Designator | 1 3/4-12 UN |
| Material | COPPER ALLOY |
| Maximum Operating Temp | 225.0 FAHRENHEIT DEGF |
| Port Diameter | 0.625 INCHES NOMINAL IN |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 665-4 PRIMARY | Admiral Valve Llc Dba Cpv Manufacturing (USA) |
| B-3180 | Admiral Valve Llc Dba Cpv Manufacturing (USA) |
| B-3180 REV.16 | Admiral Valve Llc Dba Cpv Manufacturing (USA) |
NSN 4820-01-417-1471 is a Cartridge,stop-Check Valve, manufactured by Admiral Valve Llc Dba Cpv Manufacturing, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-417-1471 has 3 cross-referenced part numbers: 665-4 (Admiral Valve Llc Dba Cpv Manufacturing), B-3180 (Admiral Valve Llc Dba Cpv Manufacturing), B-3180 REV.16 (Admiral Valve Llc Dba Cpv Manufacturing).
There are 12 known substitutes for 4820-01-417-1471: 5133-00-061-6290, 5307-00-347-4726, 4720-00-430-3264 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 665-4: Valve Size: 1.000 INCHES IN; Thread Size and Series/type Designator: 1 3/4-12 UN; Material: COPPER ALLOY; Maximum Operating Temp: 225.0 FAHRENHEIT DEGF. 6 total characteristics are documented in the Federal Logistics Information System.