The Valve,check, cataloged under National Stock Number 4820-01-153-1399, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-153-1399 |
| Primary Part Number | 481-1/4B1-2 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) FIRST END |
| Style Designator | STRAIGHT THRU |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Valve Operation Method | AUTOMATIC |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Style | PLAIN, OPTIONAL END (PIPE) SECOND END |
| Material | COPPER ALLOY BODY |
| Flow Control Device | POPPET |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| Mounting Position | HORIZONTAL |
| Maximum Operating Temp | 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Series Designator | NPT ALL ENDS |
| Material | STEEL COMP 304 FLOW CONTROL DEVICE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FC12300 | Kellett Corp (USA) |
| KC12300 | Kellett Corp (USA) |
| 481-1/4B2 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 481-1/4B1-2 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
NSN 4820-01-153-1399 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-153-1399 has 4 cross-referenced part numbers: FC12300 (Kellett Corp), KC12300 (Kellett Corp), 481-1/4B2 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 481-1/4B1-2 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division).
There is 1 known substitute for 4820-01-153-1399: 2530-00-715-7260. Verify interchangeability with system specifications before substitution.
Key specifications for 481-1/4B1-2: Connection Style: PLAIN (PIPE) FIRST END; Style Designator: STRAIGHT THRU; Nominal Thread Size: 0.250 INCHES ALL ENDS IN; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 16 total characteristics are documented in the Federal Logistics Information System.