The Valve,check, cataloged under National Stock Number 4820-00-950-4273, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ausco Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-950-4273 |
| Primary Part Number | M4014-6-6 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Ausco Inc |
| Status | ACTIVE |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flow Control Device | POPPET |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Disk Loading Method | SPRING |
| Material | STEEL COMP 431 BODY |
| Valve Operation Method | AUTOMATIC |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Renewable Seat Ring Type | PRESSED-IN |
| Thread Class | 3A ALL ENDS A |
| Opening Pressure Setting | 5.0 POUNDS PER SQUARE INCH LBS |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Surface Treatment | PASSIVATE |
| Media for Which Designed | OIL, HYDRAULIC SINGLE RESPONSE |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Material | STEEL COMP 440C FLOW CONTROL DEVICE |
| Style Designator | STRAIGHT THRU |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2315-6 | Tactair Fluid Controls Inc (USA) |
| 215-22161-2 | Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division (USA) |
| 2315-6 | Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair (USA) |
| 2-43923-3 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 2315-6 | Kaiser Fluid Technologies Inc. (USA) |
| M4014-6-6 PRIMARY | Ausco Inc (USA) |
| 2C5360 PRIMARY | Crissair Inc Div Esco Technologies (USA) |
| A1560 | Preece Inc Decca Valves Div (USA) |
NSN 4820-00-950-4273 is a Valve,check, manufactured by Ausco Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-950-4273 has 8 cross-referenced part numbers: 2315-6 (Tactair Fluid Controls Inc), 215-22161-2 (Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division), 2315-6 (Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair), 2-43923-3 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 2315-6 (Kaiser Fluid Technologies Inc.) and 3 more.
There are 11 known substitutes for 4820-00-950-4273: 2920-00-025-9997, 5133-00-227-5988, 3750-00-240-3085 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for M4014-6-6: Maximum Operating Temp: 275.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flow Control Device: POPPET; Connection Style: PLAIN (TUBE) ALL ENDS; Disk Loading Method: SPRING. 19 total characteristics are documented in the Federal Logistics Information System.