The Valve,check, cataloged under National Stock Number 4820-00-241-0634, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-241-0634 |
| Primary Part Number | 209-062-607-1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Criticality Code Justification | FEAT |
| Nominal Thread Size | 0.875 INCHES ALL ENDS IN |
| Flow Control Device | POPPET |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SECOND RESPONSE |
| Thread Class | 3A ALL ENDS A |
| Material | ALUMINUM ALLOY 2024 SEAT |
| Media for Which Designed | CARBON DIOXIDE THIRD RESPONSE |
| Media for Which Designed | ETHYLENE GLYCOL FOURTH RESPONSE |
| Valve Operation Method | AUTOMATIC |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| Thread Quantity Per Inch | 14 FIRST END |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Opening Pressure Setting | 18.0 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Material | ALUMINUM ALLOY 2024 BODY |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Maximum Operating Temp | 180.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Maximum Operating Temp | -65.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Disk Loading Method | SPRING |
| Media for Which Designed | AIR FIRST RESPONSE |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Seat Angle | 37.0 DEGREES FIRST END |
| Media for Which Designed | ALCOHOL, ETHYL FIFTH RESPONSE |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 10C1025 2 | Allen Aircraft Products Inc (USA) |
| 209-062-607-1 | Bell Textron Inc (USA) |
| 2694 | Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair (USA) |
| 12-2068-1 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 209-062-607-1 PRIMARY | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
| 209-062-607 | Bell Textron Inc (USA) |
| 209-062-607-001 PRIMARY | Bell Textron Inc (USA) |
| 10C1025 | Allen Aircraft Products Inc (USA) |
| 12-2068-1 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 869A10TT018 | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
NSN 4820-00-241-0634 is a Valve,check, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-241-0634 has 10 cross-referenced part numbers: 10C1025 2 (Allen Aircraft Products Inc), 209-062-607-1 (Bell Textron Inc), 2694 (Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair), 12-2068-1 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 209-062-607-1 (Circor Aerospace, Inc. Dba Circor Aerospace Inc) and 5 more.
There are 12 known substitutes for 4820-00-241-0634: 4730-00-080-8116, 6810-00-207-8866, 6810-00-223-5227 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 209-062-607-1: Style Designator: STRAIGHT THRU; Criticality Code Justification: FEAT; Nominal Thread Size: 0.875 INCHES ALL ENDS IN; End Item Identification: HELICOPTER,ADVANCE ATTACK,AH-1W;HELICOPTER,COBRA/ATTACK,AH-1J W. 30 total characteristics are documented in the Federal Logistics Information System.