| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-449-8123 (014498123) |
| NCB Code | USA (01) |
| Manufacturer | Parker Hannifin Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 644XB-4-12-2 | parker hannifin corporation | valve safety relief | 09990 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| CQGM | Maximum Operating Pressure | 3600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| AWLS | Connection Type | THREADED EXTERNAL BOSS ALL ENDS |
| ADSR | Bonnet Type | INSIDE SPRING |
| ADQU | Flow Control Device | DISK |
| MATT | Material | STEEL COMP 303 BODY |
| MATT | Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| CQCY | Adjustable Pressure Range | +115.0/+250.0 POUNDS PER SQUARE INCH |
| CMLP | Thread Quantity Per Inch | 12 ALL ENDS |
| CQRB | Seat Angle | 37.0 DEGREES ALL ENDS |
| AEHZ | Maximum Operating Temp | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AQLR | Valve Operation Method | AUTOMATIC |
| MEDA | Media For Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| AAJF | Thread Direction | RIGHT-HAND ALL ENDS |
| MRC | Decoded Requirement | Clear Text Reply |
| THSD | Thread Series Designator | UN ALL ENDS |
| CQJX | Nominal Thread Size | 1.062 INCHES ALL ENDS |
| AAJD | Thread Class | 3A ALL ENDS |
| MATT | Material | RUBBER SYNTHETIC PACKING |
| AHNC | Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS |
| ADSU | Disk Loading Method | SPRING |
| AGAV | End Item Identification | AIRCRAFT, AWACS, E-3A |
| STYL | Style Designator | ANGLE |
| ADST | Bonnet Attachment Method | INTEGRAL |
| Components Related to NSN - 4820-01-449-8123, 4820014498123 | ||||
| 4810-01-567-7671 (4810015677671) | 4820-00-811-2684 (4820008112684) | 4820-12-350-7803 (4820123507803) | 4810-01-606-1449 (4810016061449) | |
| 4820-01-235-1424 (4820012351424) | 4820-01-282-2547 (4820012822547) | 4820-00-936-3987 (4820009363987) | 4820-99-471-4151 (4820994714151) | |
| 4820-01-189-0797 (4820011890797) | 4820-01-123-0285 (4820011230285) | 4820-01-501-6459 (4820015016459) | 4810-00-719-6365 (4810007196365) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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