| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-920-3623 (009203623) |
| NCB Code | USA (00) |
| Manufacturer | Siemens Corporation, Industrial Fabricators Inc, Circor Aerospace Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSR | BONNET TYPE | INSIDE SPRING |
| ADST | BONNET ATTACHMENT METHOD | INTEGRAL |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 450.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS 1ST END |
| CBBL | FEATURES PROVIDED | BONNET PACKING |
| CQCY | ADJUSTABLE PRESSURE RANGE | 5.0/10.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 50.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES 1ST END |
| MATT | MATERIAL | STEEL CORROSION RESISTING BODY |
| MATT | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE AND RUBBER FLUOROCARBON CLASS FPM FLOW CONTROL DEVICE |
| MATT | MATERIAL | STEEL CORROSION RESISTING SEAT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-25897,TYPE2,CLASS 1 MIL SPEC 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL,HYDROCARBON 2ND RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID,PHOSPHATE-ESTER BASE 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | OIL,LUBRICATING,DIESTER BASE 3RD RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UNF 1ST END |
| Relevant Components for NSN - 4820-00-920-3623, 4820009203623 | ||||
| 4820-01-251-8295 (4820012518295) | 4820-01-606-5732 (4820016065732) | 4820-01-504-6136 (4820015046136) | 4820-01-345-7050 (4820013457050) | |
| 4810-01-373-6377 (4810013736377) | 4810-01-079-4456 (4810010794456) | 4820-01-280-4146 (4820012804146) | 4820-01-651-8515 (4820016518515) | |
| 4820-01-688-1777 (4820016881777) | 4820-01-439-5575 (4820014395575) | 4820-01-228-6731 (4820012286731) | 4820-01-645-8483 (4820016458483) | |
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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