The Valve,check, cataloged under National Stock Number 4820-01-198-4188, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-198-4188 |
| Primary Part Number | 12-D-R PL-4226,PL-4551 6IN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Admiral Valve Llc Dba Cpv Manufacturing |
| Status | ACTIVE |
| Face to Face Distance | 5.500 INCHES IN |
| Bolt Hole Quantity | 8 ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Bolt Circle Nominal Diameter | 9.500 INCHES ALL ENDS IN |
| Mounting Facility | THREADED FASTENER |
| Bolt Hole Nominal Diameter | 0.750 INCHES ALL ENDS IN |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Face Design | PLAIN ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Valve Size | 6.000 INCHES IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| Flow Control Device | DISK |
| Connection Type | FLANGE ALL ENDS |
| Nominal Outside Diameter | 11.000 INCHES ALL ENDS IN |
| Nominal Thickness | 1.000 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12D-R PL-4426,P | Admiral Valve Llc Dba Cpv Manufacturing (USA) |
| 12-D-R PL-4226,PL-4551 6IN PRIMARY | Admiral Valve Llc Dba Cpv Manufacturing (USA) |
| 12-D-R 6IN A-9886 PL-4551 | Admiral Valve Llc Dba Cpv Manufacturing (USA) |
| A-9886 | Admiral Valve Llc Dba Cpv Manufacturing (USA) |
NSN 4820-01-198-4188 is a Valve,check, manufactured by Admiral Valve Llc Dba Cpv Manufacturing, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-198-4188 has 4 cross-referenced part numbers: 12D-R PL-4426,P (Admiral Valve Llc Dba Cpv Manufacturing), 12-D-R PL-4226,PL-4551 6IN (Admiral Valve Llc Dba Cpv Manufacturing), 12-D-R 6IN A-9886 PL-4551 (Admiral Valve Llc Dba Cpv Manufacturing), A-9886 (Admiral Valve Llc Dba Cpv Manufacturing).
There are 11 known substitutes for 4820-01-198-4188: 4820-01-136-7731, 4820-01-194-6836, 4820-01-194-6929 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12-D-R PL-4226,PL-4551 6IN: Face to Face Distance: 5.500 INCHES IN; Bolt Hole Quantity: 8 ALL ENDS; Mounting Position: HORIZONTAL OR VERTICAL; Flange Shape: ROUND WITH HOLES ALL ENDS. 19 total characteristics are documented in the Federal Logistics Information System.