The Valve,check, cataloged under National Stock Number 4820-01-163-8566, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Strataflo Products, Inc. Government technical data includes 16 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-163-8566 |
| Primary Part Number | 2-375-5PSISPRING |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Strataflo Products, Inc |
| Status | ACTIVE |
| Thread Series Designator | NPT ALL ENDS |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | STRAIGHT THRU |
| Disk Loading Method | SPRING |
| Flow Control Device | POPPET |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Maximum Operating Temp | 225.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Media for Which Designed | GAS, INERT FIRST RESPONSE |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SECOND RESPONSE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| Valve Operation Method | AUTOMATIC |
| Material | COPPER ALLOY BODY |
| Nominal Thread Size | 2.000 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 300-200 | Strataflo Products, Inc (USA) |
| 2-375-5PSISPRING PRIMARY | Strataflo Products, Inc (USA) |
NSN 4820-01-163-8566 is a Valve,check, manufactured by Strataflo Products, Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-163-8566 has 2 cross-referenced part numbers: 300-200 (Strataflo Products, Inc), 2-375-5PSISPRING (Strataflo Products, Inc).
There are 6 known substitutes for 4820-01-163-8566: 5999-00-138-1522, 5910-00-455-1400, 5940-01-092-6651 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2-375-5PSISPRING: Thread Series Designator: NPT ALL ENDS; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Style Designator: STRAIGHT THRU; Disk Loading Method: SPRING. 17 total characteristics are documented in the Federal Logistics Information System.