The Valve,check, cataloged under National Stock Number 4820-00-916-3596, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Saylor-Beall Manufacturing Company. Government technical data includes 20 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-916-3596 |
| Primary Part Number | 4726 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Saylor-Beall Manufacturing Company |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.750 INCHES FIRST END IN |
| Thread Series Designator | NPT FIRST END |
| Connection Style | PLAIN, OPTIONAL END (PIPE) FIRST END |
| Maximum Operating Temp | 350.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Pipe Size Accommodated | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Flow Control Device | DISK |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Thread Series Designator | NPT SECOND END |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND SECOND END |
| Disk Loading Method | SPRING |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Material | COPPER ALLOY OVERALL |
| Thread Direction | RIGHT-HAND FIRST END |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-916-3596 is a Valve,check, manufactured by Saylor-Beall Manufacturing Company, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-916-3596 has 2 cross-referenced part numbers: 4726 (Saylor-Beall Manufacturing Company), 225A (F.c.kingston Co. Dba Storm Manufacturing).
There are 12 known substitutes for 4820-00-916-3596: 5940-00-113-3141, 6640-00-145-1139, 6220-00-500-4755 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4726: Nominal Pipe Size Accommodated: 0.750 INCHES FIRST END IN; Thread Series Designator: NPT FIRST END; Connection Style: PLAIN, OPTIONAL END (PIPE) FIRST END; Maximum Operating Temp: 350.0 FAHRENHEIT SINGLE RESPONSE DEGF. 20 total characteristics are documented in the Federal Logistics Information System.