The Valve,check, cataloged under National Stock Number 4820-01-112-9801, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is United Brass Works, Inc. Dba United Brass Works. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-112-9801 |
| Primary Part Number | 62-1-1-4 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | United Brass Works, Inc. Dba United Brass Works |
| Status | ACTIVE |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Mounting Position | HORIZONTAL |
| Material | COPPER ALLOY 836 BODY |
| Material Document and Classification | QQ-C-390,ALLOY B5D FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Nominal Thread Size | 1.250 INCHES ALL ENDS IN |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Flow Control Device | DISK |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 62-1-1-4 | United Brass Works, Inc. Dba United Brass Works (USA) |
NSN 4820-01-112-9801 is a Valve,check, manufactured by United Brass Works, Inc. Dba United Brass Works, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-112-9801 has 1 cross-referenced part number: 62-1-1-4 (United Brass Works, Inc. Dba United Brass Works).
There are 5 known substitutes for 4820-01-112-9801: 5120-00-242-3249, 1270-00-403-8976, 3040-00-863-5391 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 62-1-1-4: Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Thread Direction: RIGHT-HAND ALL ENDS; Mounting Position: HORIZONTAL; Material: COPPER ALLOY 836 BODY. 15 total characteristics are documented in the Federal Logistics Information System.