The Valve,safety Relief, cataloged under National Stock Number 4820-00-880-0425, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 18 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-880-0425 |
| Primary Part Number | MIL-V-8813 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| Thread Series Designator | UNF ALL ENDS |
| Flow Control Device | POPPET |
| Valve Operation Method | AUTOMATIC |
| Connection Type | THREADED INTERNAL BOSS ALL ENDS |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE |
| Material | ALUMINUM ALLOY OVERALL |
| Opening Pressure Setting | 1350.0 POUNDS PER SQUARE INCH LBS |
| Connection Style | GASKET SEAL(BOSS) ALL ENDS |
| Thread Class | 3B ALL ENDS |
| Valve Discharge Flow Rate | 7.0 GALLONS PER MINUTE |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Disk Loading Method | SPRING |
| Surface Treatment | ANODIZE LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-V-8813 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS28893-B6-1350 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 1100-3 | Pneudraulics, Inc. (USA) |
NSN 4820-00-880-0425 is a Valve,safety Relief, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-880-0425 has 3 cross-referenced part numbers: MIL-V-8813 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS28893-B6-1350 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 1100-3 (Pneudraulics, Inc.).
There are 12 known substitutes for 4820-00-880-0425: 2915-00-051-7296, 3110-00-108-3821, 2990-00-198-5791 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-V-8813: Nominal Thread Size: 0.562 INCHES ALL ENDS IN; Thread Direction: RIGHT-HAND ALL ENDS; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.. 18 total characteristics are documented in the Federal Logistics Information System.