The Valve,check, cataloged under National Stock Number 4820-01-677-4851, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Colonial Engineering, Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-677-4851 |
| Primary Part Number | V08221T |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Colonial Engineering, Inc |
| Status | ACTIVE |
| Nominal Width | 2.219 INCHES ALL ENDS IN |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Material | STEEL COMP 304 FLOW CONTROL DEVICE |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 140.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Style Designator | STRAIGHT THRU |
| Material | RUBBER SYNTHETIC SEAT |
| Nominal Length | 4.125 INCHES ALL ENDS IN |
| Nominal Outside Diameter | 0.75 INCHES ALL ENDS IN |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-677-4851 is a Valve,check, manufactured by Colonial Engineering, Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-677-4851 has 2 cross-referenced part numbers: V08221T (Colonial Engineering, Inc), 18341 (United States Plastic Corp).
There are 7 known substitutes for 4820-01-677-4851: 6145-00-643-0645, 5950-00-809-1268, 5133-00-838-5372 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for V08221T: Nominal Width: 2.219 INCHES ALL ENDS IN; Part Name Assigned by Controlling Agency: 3/4 INCH SOCKET PVC SPRING CHECK VALVE IN; Special Features: 2-PSI MINIMUM FLOW REQUIRED TO OPERATE; Media for Which Designed: WATER, FRESH SINGLE RESPONSE. 12 total characteristics are documented in the Federal Logistics Information System.