The Valve,check, cataloged under National Stock Number 4820-01-663-2415, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 18 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-663-2415 |
| Primary Part Number | 4616K920 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Minimum Operating Temp | 32.00 FAHRENHEIT DEGF |
| Opening Pressure Setting | 0.50 POUNDS PER SQUARE INCH LBS |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Style Designator | STRAIGHT THRU |
| Thread Series Designator | NPT ALL ENDS |
| Thread Quantity Per Inch | 14 ALL ENDS |
| Face to Face Distance | 3.375 INCHES IN |
| Material | BRONZE AND SILICON BODY |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Maximum Operating Temp | 70.00 FAHRENHEIT FIRST RESPONSE DEGF |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Disk Loading Method | SPRING |
| Maximum Operating Temp | 190.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Nominal Thread Size | 0.75 INCHES ALL ENDS IN |
| Valve Operation Method | AUTOMATIC |
| Operating Pressure | 400.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Nominal Pipe Size Accommodated | 0.75 INCHES ALL ENDS IN |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-663-2415 is a Valve,check, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-663-2415 has 2 cross-referenced part numbers: CV-12 (Bermingham Construction Ltd Div Bermingham Foundation Equipment), 4616K920 (Mcmaster-Carr Supply Co).
There are 3 known substitutes for 4820-01-663-2415: 5120-00-078-6662, 3040-00-910-1646, 4910-01-175-3955. Verify interchangeability with system specifications before substitution.
Key specifications for 4616K920: Minimum Operating Temp: 32.00 FAHRENHEIT DEGF; Opening Pressure Setting: 0.50 POUNDS PER SQUARE INCH LBS; Media for Which Designed: WATER, FRESH SINGLE RESPONSE; Style Designator: STRAIGHT THRU. 20 total characteristics are documented in the Federal Logistics Information System.