The Valve,check, cataloged under National Stock Number 4820-00-810-4252, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-810-4252 |
| Primary Part Number | 508 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | CANCELLED |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Mounting Position | HORIZONTAL |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Flow Control Device | DISK |
| Nominal Thread Size | 2.000 INCHES ALL ENDS IN |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Valve Operation Method | AUTOMATIC |
| Material | COPPER ALLOY OVERALL |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Series Designator | NPT ALL ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3412-2IN | The Walworth Company (USA) |
| 508 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| FIG B-345-2IN | Stockham Valves and Fittings Inc (USA) |
| 400 | The Walworth Company (USA) |
| 518-2INCH | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 518-700-200 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| WWV51 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| B-320B2 | Stockham Valves and Fittings Inc (USA) |
| 508-700-200 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| B345 | Stockham Valves and Fittings Inc (USA) |
| BV1187-128 | Stockham Valves and Fittings Inc (USA) |
NSN 4820-00-810-4252 is a Valve,check, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-810-4252 has 11 cross-referenced part numbers: 3412-2IN (The Walworth Company), 508 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), FIG B-345-2IN (Stockham Valves and Fittings Inc), 400 (The Walworth Company), 518-2INCH (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc) and 6 more.
There are 6 known substitutes for 4820-00-810-4252: 4820-00-200-0745, 4820-00-203-3670, 4820-00-288-7066 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 508: Thread Direction: RIGHT-HAND ALL ENDS; Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF; Mounting Position: HORIZONTAL; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-810-4252 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.