The Valve,check, cataloged under National Stock Number 4820-00-720-4485, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-720-4485 |
| Primary Part Number | 488-8D1-2 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit |
| Status | CANCELLED |
| Disk Loading Method | SPRING |
| Thread Series Designator | UNF ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Material | ALUMINUM ALLOY OVERALL |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Renewable Seat Ring Type | THREADED |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Thread Class | 3A ALL ENDS A |
| Flow Control Device | POPPET |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 488-8D1-2 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 4CV686 | Saf Industries Llc Dba Saf Industries Llc Div Garkenyon (USA) |
| MS28771-8 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MILV19069A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| S2230566-8 | The Boeing Company (USA) |
| 458-8S | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| MIL-V-19069 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS28771-8 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 65C35487-3 | Air Armament Center/ En (USA) |
| 4820PL1027478 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| MS28771-8AL | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 458-8D27-6 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 2230566-8 | The Boeing Company (USA) |
| 458-8D27-6 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
NSN 4820-00-720-4485 is a Valve,check, manufactured by Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-720-4485 has 14 cross-referenced part numbers: 488-8D1-2 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 4CV686 (Saf Industries Llc Dba Saf Industries Llc Div Garkenyon), MS28771-8 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MILV19069A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), S2230566-8 (The Boeing Company) and 9 more.
There is 1 known substitute for 4820-00-720-4485: 4820-00-508-5969. Verify interchangeability with system specifications before substitution.
Key specifications for 488-8D1-2: Disk Loading Method: SPRING; Thread Series Designator: UNF ALL ENDS; Style Designator: STRAIGHT THRU; Seat Angle: 37.0 DEGREES ALL ENDS. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-720-4485 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.