The Valve,safety Relief, cataloged under National Stock Number 4820-00-529-4181, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-529-4181 |
| Primary Part Number | A50082CD6 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hydro-Aire Aerospace Corp |
| Status | ACTIVE |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Valve Operation Method | AUTOMATIC |
| Thread Quantity Per Inch | 18 FIRST END |
| Thread Direction | RIGHT-HAND FIRST END |
| Material | STEEL SEAT |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Valve Discharge Flow Rate | 7.0 GALLONS PER MINUTE |
| Disk Loading Method | SPRING |
| Thread Series Designator | UNF FIRST END |
| Thread Class | 3B FIRST END |
| Supplementary Features | APPL TO ACFT,TYPE C-135 |
| Renewable Seat Ring Type | PRESSED-IN |
| Material | ALUMINUM ALLOY BODY |
| Opening Pressure Setting | 3500.0 POUNDS PER SQUARE INCH LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M9029DCD001 | National Machine Company Dba Nmg Aerospace (USA) |
| 10-3000-7 | The Boeing Company Div Defense (USA) |
| A50082CD6 PRIMARY | Hydro-Aire Aerospace Corp (USA) |
| 11010-1 | Bahr Machine Company Inc Dba Bahr Machine Co (USA) |
NSN 4820-00-529-4181 is a Valve,safety Relief, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-529-4181 has 4 cross-referenced part numbers: M9029DCD001 (National Machine Company Dba Nmg Aerospace), 10-3000-7 (The Boeing Company Div Defense), A50082CD6 (Hydro-Aire Aerospace Corp), 11010-1 (Bahr Machine Company Inc Dba Bahr Machine Co).
There are 5 known substitutes for 4820-00-529-4181: 5120-00-327-1409, 3110-00-649-9498, 5910-00-716-3929 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for A50082CD6: Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN; Valve Operation Method: AUTOMATIC; Thread Quantity Per Inch: 18 FIRST END; Thread Direction: RIGHT-HAND FIRST END. 16 total characteristics are documented in the Federal Logistics Information System.