The Valve,check, cataloged under National Stock Number 4820-00-202-5806, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-202-5806 |
| Primary Part Number | 869A8TT |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | CANCELLED |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Material | ALUMINUM ALLOY BODY LINING |
| Material | ALUMINUM ALLOY 2024 SEAT |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES ALL ENDS IN |
| Material Document and Classification | QQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | QQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Media for Which Designed | ALCOHOL, ETHYL FIFTH RESPONSE |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Material Document and Classification | QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SECOND RESPONSE |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Media for Which Designed | ETHYLENE GLYCOL FOURTH RESPONSE |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | ALUMINUM ALLOY BODY LINING |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| Maximum Operating Temp | -65.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Material Document and Classification | QQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Flow Control Device | POPPET |
| Maximum Operating Temp | 180.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Media for Which Designed | AIR FIRST RESPONSE |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Material | ALUMINUM ALLOY 2024 FLOW CONTROL DEVICE |
| Thread Class | 3A ALL ENDS A |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Media for Which Designed | CARBON DIOXIDE THIRD RESPONSE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4820-00-202-5806 is a Valve,check, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-202-5806 has 2 cross-referenced part numbers: 869A8TT (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 10-1472-3 (The Boeing Company Div Defense).
There is 1 known substitute for 4820-00-202-5806: 2040-01-442-4055. Verify interchangeability with system specifications before substitution.
Key specifications for 869A8TT: Seat Angle: 37.0 DEGREES ALL ENDS; Material: ALUMINUM ALLOY BODY LINING; Material: ALUMINUM ALLOY 2024 SEAT; Nominal Outside Diameter Tube Accommodated: 0.500 INCHES ALL ENDS IN. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-202-5806 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.