The Valve,check, cataloged under National Stock Number 4820-01-361-6053, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Watts Regulator Company. Government technical data includes 16 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-361-6053 |
| Primary Part Number | 600-1-1/4 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Material | COPPER ALLOY BODY |
| Valve Operation Method | AUTOMATIC |
| Flow Control Device | DISK |
| Media for Which Designed | STEAM SECOND RESPONSE |
| Media for Which Designed | WATER-OIL-GAS FIRST RESPONSE |
| Thread Series Designator | NPT ALL ENDS |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Style Designator | STRAIGHT THRU |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.250 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 600-1-1/4 PRIMARY | Watts Regulator Company (USA) |
| 600-1.250IN | Itw Food Equipment Group Llc Dba Gaylord Industries (USA) |
NSN 4820-01-361-6053 is a Valve,check, manufactured by Watts Regulator Company, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-361-6053 has 2 cross-referenced part numbers: 600-1-1/4 (Watts Regulator Company), 600-1.250IN (Itw Food Equipment Group Llc Dba Gaylord Industries).
There are 6 known substitutes for 4820-01-361-6053: 4730-00-086-5470, 2520-00-421-9475, 5910-01-052-9132 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 600-1-1/4: Mounting Position: HORIZONTAL OR VERTICAL; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Material: COPPER ALLOY BODY. 16 total characteristics are documented in the Federal Logistics Information System.