The Valve,check, cataloged under National Stock Number 4820-00-916-1851, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, 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 | 4820-00-916-1851 |
| Primary Part Number | 2987372 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division |
| Status | ACTIVE |
| Media for Which Designed | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE |
| Center to Center Distance | 2.000 INCHES IN |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Valve Operation Method | AUTOMATIC |
| Connection Style | GASKET SEAL (BOSS) ALL ENDS |
| Disk Loading Method | SPRING |
| Flow Control Device | DISK |
| Connection Type | THREADED INTERNAL BOSS ALL ENDS |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Class | 2B ALL ENDS |
| Material | STEEL OVERALL |
| Surface Treatment | PAINT |
| Thread Series Designator | UNF ALL ENDS |
| Mounting Facility | BRACKET(S) |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 155-623 | Bosch Automation Technology (USA) |
| 1606A-6SAE | Bosch Automation Technology (USA) |
| 1606-6 | Bosch Automation Technology (USA) |
| 1606-6SAE | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division (USA) |
| 13207E5766 | Cecom Lr Center (USA) |
| 2987372 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division (USA) |
| 989210 | Bosch Automation Technology (USA) |
NSN 4820-00-916-1851 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-916-1851 has 7 cross-referenced part numbers: 155-623 (Bosch Automation Technology), 1606A-6SAE (Bosch Automation Technology), 1606-6 (Bosch Automation Technology), 1606-6SAE (Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division), 13207E5766 (Cecom Lr Center) and 2 more.
There are 11 known substitutes for 4820-00-916-1851: 5915-00-004-7600, 5110-00-234-6550, 1615-00-860-9992 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2987372: Media for Which Designed: HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE; Center to Center Distance: 2.000 INCHES IN; Nominal Thread Size: 0.250 INCHES ALL ENDS IN; Thread Direction: RIGHT-HAND ALL ENDS. 17 total characteristics are documented in the Federal Logistics Information System.