| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-218-4611 (012184611) |
| NCB Code | USA (01) |
| Manufacturer | Circor Aerospace Inc, Zevco Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| D559A-4D-1 | circor aerospace inc | valve safety relief | 91816 | RFQ |
| Z02RD04A010B | zevco inc | valve safety relief | 62701 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 280.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AEQJ | MINIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT |
| AHNC | CONNECTION STYLE | FLARED (TUBE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CMLP | THREAD QUANTITY PER INCH | 20 ALL ENDS |
| CQCY | ADJUSTABLE PRESSURE RANGE | 0.5/2.5 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS |
| CQRB | SEAT ANGLE | 37.0 DEGREES ALL ENDS |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
| MATT | MATERIAL | RUBBER SYNTHETIC PACKING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE PACKING |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL,HYDROCARBON 2ND RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | HELIUM 3RD RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | HYDROGEN 4TH RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU W/BAFFLE |
| THSD | THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
| TMQY | FURNISHED ITEMS AND QUANTITY | 1 DEFLECTOR CAP |
| Components Related to NSN - 4820-01-218-4611, 4820012184611 | ||||
| 4820-00-483-5353 (4820004835353) | 4810-01-395-1127 (4810013951127) | 4820-01-231-2882 (4820012312882) | 4820-01-250-5130 (4820012505130) | |
| 4820-01-298-5507 (4820012985507) | 4820-01-517-6638 (4820015176638) | 4810-00-001-4499 (4810000014499) | 4820-01-423-1823 (4820014231823) | |
| 4820-01-194-2109 (4820011942109) | 4820-01-678-8353 (4820016788353) | 4820-01-416-6835 (4820014166835) | 4810-01-552-9819 (4810015529819) | |
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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