The Valve,check, cataloged under National Stock Number 4820-00-777-8505, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-777-8505 |
| Primary Part Number | MS28768-4B |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Style | GASKET SEAL (BOSS) ALL ENDS |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Thread Class | 3B ALL ENDS |
| Thread Series Designator | UNF ALL ENDS |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Material | ALUMINUM ALLOY BODY |
| Style Designator | STRAIGHT THRU |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Mounting Facility | BRACKET(S) |
| Connection Type | THREADED INTERNAL BOSS ALL ENDS |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Flow Control Device | BALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28768-4B | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 9093365 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 50200 | Parker-Hannifin Corporation Dba Control Systems Division (USA) |
| MIL-V-19067 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 213614-1 | Ideal Aerosmith Inc (USA) |
NSN 4820-00-777-8505 is a Valve,check, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-777-8505 has 5 cross-referenced part numbers: MS28768-4B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 9093365 (U S Army Tank Automotive Command Amsta-Im-Mm), 50200 (Parker-Hannifin Corporation Dba Control Systems Division), MIL-V-19067 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 213614-1 (Ideal Aerosmith Inc).
There are 12 known substitutes for 4820-00-777-8505: 5935-00-109-2867, 5110-00-223-7782, 5310-00-422-7919 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS28768-4B: Mounting Position: HORIZONTAL OR VERTICAL; Connection Style: GASKET SEAL (BOSS) ALL ENDS; Maximum Operating Temp: 275.0 FAHRENHEIT SINGLE RESPONSE DEGF; Thread Direction: RIGHT-HAND ALL ENDS. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-777-8505 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.