The Valve,check, cataloged under National Stock Number 4820-01-078-9916, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hydrasearch Company, Llc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-078-9916 |
| Primary Part Number | 4144-3 PL1123 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Operating Pressure | 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Flow Control Device | DISK |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Material | COPPER ALLOY BODY |
| Disk Loading Method | SPRING |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Material | COPPER ALLOY SEAT |
| Valve Operation Method | AUTOMATIC |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Material | PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4144 | Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging (USA) |
| M1376 REV A | Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA) |
| 4144-3 PL1123 PRIMARY | Hydrasearch Company, Llc (USA) |
| 4144-3SILBRAZ | Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging (USA) |
NSN 4820-01-078-9916 is a Valve,check, manufactured by Hydrasearch Company, Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-078-9916 has 4 cross-referenced part numbers: 4144 (Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging), M1376 REV A (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc), 4144-3 PL1123 (Hydrasearch Company, Llc), 4144-3SILBRAZ (Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging).
There are 9 known substitutes for 4820-01-078-9916: 4820-00-213-7670, 5120-00-277-2697, 5340-00-290-7274 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4144-3 PL1123: Operating Pressure: 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Flow Control Device: DISK; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Material: COPPER ALLOY BODY. 14 total characteristics are documented in the Federal Logistics Information System.