The Valve,safety Relief, cataloged under National Stock Number 4820-00-343-5248, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-343-5248 |
| Primary Part Number | A10070 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hydro-Aire Aerospace Corp |
| Status | ACTIVE |
| Connection Style | GASKET SEAL(BOSS) FIRST END |
| Media for Which Designed | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE |
| Thread Class | 3B FIRST END |
| Thread Direction | RIGHT-HAND FIRST END |
| Material | ALUMINUM ALLOY BODY |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Opening Pressure Setting | 2100.0 POUNDS PER SQUARE INCH LBS |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Style Designator | STRAIGHT THRU |
| Material | ALUMINUM ALLOY SEAT |
| Material | ALUMINUM ALLOY STEM |
| Valve Operation Method | AUTOMATIC |
| Disk Loading Method | SPRING |
| Thread Quantity Per Inch | 16 FIRST END |
| Valve Discharge Flow Rate | 6.0 GALLONS PER MINUTE |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Flow Control Device | POPPET |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A10070 PRIMARY | Hydro-Aire Aerospace Corp (USA) |
NSN 4820-00-343-5248 is a Valve,safety Relief, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-343-5248 has 1 cross-referenced part number: A10070 (Hydro-Aire Aerospace Corp).
There is 1 known substitute for 4820-00-343-5248: 5961-00-147-9745. Verify interchangeability with system specifications before substitution.
Key specifications for A10070: Connection Style: GASKET SEAL(BOSS) FIRST END; Media for Which Designed: HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE; Thread Class: 3B FIRST END; Thread Direction: RIGHT-HAND FIRST END. 19 total characteristics are documented in the Federal Logistics Information System.