The Valve,check, cataloged under National Stock Number 4820-01-115-6727, 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 12 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-115-6727 |
| Primary Part Number | XM4121-3/8-S2-6-5 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Series Designator | NPT ALL ENDS |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Surface Treatment | PAINT |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL BODY |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Flow Control Device | POPPET |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Style Designator | ANGLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 66592 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 66592-1 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| XM4121-3/8-S2-6-5 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| XM4121-3/8-S2-6-5 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
NSN 4820-01-115-6727 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 4820-01-115-6727 has 4 cross-referenced part numbers: 66592 (L3harris Technologies, Inc. Div Space and Airborne Systems), 66592-1 (L3harris Technologies, Inc. Div Space and Airborne Systems), XM4121-3/8-S2-6-5 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), XM4121-3/8-S2-6-5 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division).
There are 3 known substitutes for 4820-01-115-6727: 4330-00-005-9603, 5905-00-593-4733, 5999-01-578-6827. Verify interchangeability with system specifications before substitution.
Key specifications for XM4121-3/8-S2-6-5: Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Thread Series Designator: NPT ALL ENDS; Nominal Thread Size: 0.375 INCHES ALL ENDS IN; Surface Treatment: PAINT. 12 total characteristics are documented in the Federal Logistics Information System.