The Valve,check, cataloged under National Stock Number 4820-01-224-2104, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-224-2104 |
| Primary Part Number | C5V06-311-B1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Flange Shape | RECTANGULAR WITH HOLES ALL ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Nominal Length | 2.640 INCHES ALL ENDS IN |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Material Document and Classification | BS 3146,CLA 5A NATIONAL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE A |
| Material Document and Classification | MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE PACKING |
| Material Document and Classification | BS 2789,SNG 32/7 NATIONAL SPEC SINGLE MATERIAL RESPONSE BODY |
| Bolt Hole Nominal Diameter | 0.410 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 0.750 INCHES IN |
| Maximum Operating Temp | 175.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 0.875 INCHES ALL ENDS IN |
| Disk Loading Method | SPRING |
| Bolt Hole Quantity | 4 ALL ENDS |
| Nominal Width | 2.050 INCHES ALL ENDS IN |
| Face to Face Distance | 1.000 INCHES IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.875 INCHES ALL ENDS IN |
| Media for Which Designed | HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE |
| Material | STEEL FLOW CONTROL DEVICE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Material | IRON CAST BODY |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 1.000 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2 0129-156 | Bae Systems Hagglunds Aktiebolag (SWE) |
| C5V06-311-B1 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
| Reference | Meaning |
|---|---|
| C5V06-311-A1 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| ST47D116-1 | 7/2 Vendor item drawing reference Lockheed Martin Corp |
NSN 4820-01-224-2104 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-224-2104 has 2 manufacturer part numbers on file: 2 0129-156 (Bae Systems Hagglunds Aktiebolag), C5V06-311-B1 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division).
Key specifications for C5V06-311-B1: Flow Control Device: POPPET; Flange Shape: RECTANGULAR WITH HOLES ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Nominal Length: 2.640 INCHES ALL ENDS IN. 26 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4820-01-224-2104 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.