| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-218-4612 (012184612) |
| NCB Code | USA (01) |
| Manufacturer | Circor Aerospace Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| D559A-8D-17 | circor aerospace inc | valve safety relief | 91816 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| CQGM | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS |
| CSDC | OPENING PRESSURE SETTING | 17.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | ALCOHOL,ETHYL 2ND RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL,HYDROCARBON 3RD RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | HELIUM 4TH RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | HYDROGEN 5TH RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU W/BAFFLE |
| THSD | THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
| TMQY | FURNISHED ITEMS AND QUANTITY | 1 DEFLECTOR CAP |
| 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 | -40.0 DEG FAHRENHEIT 1ST RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 280.0 DEG FAHRENHEIT 2ND RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN (TUBE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| Components Related to NSN - 4820-01-218-4612, 4820012184612 | ||||
| 4820-01-279-1339 (4820012791339) | 4820-01-250-8611 (4820012508611) | 4810-01-039-5970 (4810010395970) | 4820-01-284-4289 (4820012844289) | |
| 4820-01-671-6098 (4820016716098) | 4820-00-287-2199 (4820002872199) | 4820-01-277-6509 (4820012776509) | 4820-01-178-7551 (4820011787551) | |
| 4820-01-064-2440 (4820010642440) | 4820-00-391-3785 (4820003913785) | 4820-00-066-2358 (4820000662358) | 4820-01-197-6798 (4820011976798) | |
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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