The Valve,check, cataloged under National Stock Number 4820-00-850-4719, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Jenkins Bros. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-850-4719 |
| Primary Part Number | 966 3/4IN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Jenkins Bros |
| Status | CANCELLED |
| Material | NICKEL FLOW CONTROL DEVICE |
| Thread Series Designator | NPT ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Disk Loading Method | WEIGHT |
| Material | COPPER ALLOY BODY |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Material | NICKEL SEAT |
| Renewable Seat Ring Type | THREADED |
| Reference Number Differentiating Characteristics | ASDIFFERENTIATED BY VALVE SIZE |
| Thread Direction | RIGHT-HAND FIRST END |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Flow Control Device | DISK |
| Connection Style | PLAIN, OPTIONAL END (PIPE) FIRST END |
| Thread Quantity Per Inch | 14 FIRST END |
| Nominal Pipe Size Accommodated | 0.750 INCHES FIRST END IN |
| Maximum Operating Temp | 550.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Mounting Position | HORIZONTAL |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4820-00-850-4719 is a Valve,check, manufactured by Jenkins Bros, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-850-4719 has 2 cross-referenced part numbers: 966 3/4IN (Jenkins Bros), 966 (Jenkins Bros).
There are 12 known substitutes for 4820-00-850-4719: 6650-00-073-2708, 2530-00-274-4502, 2910-00-287-1930 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 966 3/4IN: Material: NICKEL FLOW CONTROL DEVICE; Thread Series Designator: NPT ALL ENDS; Style Designator: STRAIGHT THRU; Nominal Thread Size: 0.750 INCHES ALL ENDS IN. 21 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-850-4719 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.