The Valve,safety Relief, cataloged under National Stock Number 4820-00-528-2838, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-528-2838 |
| Primary Part Number | A50092CD12 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hydro-Aire Aerospace Corp |
| Status | ACTIVE |
| Thread Class | 3B FIRST END |
| Material | STEEL CORROSION RESISTING SEAT |
| Disk Loading Method | SPRING |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE |
| Material | STEEL CORROSION RESISTING STEM |
| Nominal Thread Size | 1.062 INCHES FIRST END IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| Supplementary Features | APPLICABLE TO ACFT,TYPE C-135 AND KC-135 |
| Operating Pressure | 3500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Material | ALUMINUM ALLOY BODY |
| Connection Style | GASKET SEAL(BOSS) FIRST END |
| Thread Quantity Per Inch | 12 FIRST END |
| Adjustable Pressure Range | +2100.0 TO 3500.0 POUNDS PER SQUARE INCH LBS |
| Flow Control Device | POPPET |
| Valve Operation Method | AUTOMATIC |
| Valve Discharge Flow Rate | 32.0 GALLONS PER MINUTE |
| Thread Direction | RIGHT-HAND FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A50092CD12 PRIMARY | Hydro-Aire Aerospace Corp (USA) |
| 10-3000-9 | The Boeing Company Div Defense (USA) |
| 11010-2 PRIMARY | Bahr Machine Company Inc Dba Bahr Machine Co (USA) |
NSN 4820-00-528-2838 is a Valve,safety Relief, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-528-2838 has 3 cross-referenced part numbers: A50092CD12 (Hydro-Aire Aerospace Corp), 10-3000-9 (The Boeing Company Div Defense), 11010-2 (Bahr Machine Company Inc Dba Bahr Machine Co).
There are 4 known substitutes for 4820-00-528-2838: 4820-00-773-8695, 5120-00-829-7691, 5340-01-549-3726 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for A50092CD12: Thread Class: 3B FIRST END; Material: STEEL CORROSION RESISTING SEAT; Disk Loading Method: SPRING; Features Provided: PRESSURE TIGHT OUTLET SIDE. 20 total characteristics are documented in the Federal Logistics Information System.