| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-973-8345 (009738345) |
| NCB Code | USA (00) |
| Manufacturer | Circor Aerospace Inc, Raytheon Company |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 559B-1M-4 | circor aerospace inc | valve safety relief | 91816 | RFQ |
| 381-1040P7 | raytheon company | valve safety relief | 49956 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.125 INCHES 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT 1ST RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT 2ND RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |
| CQGM | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.125 INCHES 1ST END |
| CSDC | OPENING PRESSURE SETTING | 4.0 POUNDS PER SQUARE INCH |
| FEAT | SPECIAL FEATURES | POP-OFF TYPE |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | ACETYLENE 2ND RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | AMMONIA,GASEOUS 3RD RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | HYDROGEN 5TH RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | REFRIGERANT 12 4TH RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| THSD | THREAD SERIES DESIGNATOR | NPT 1ST END |
| Relevant Components for NSN - 4820-00-973-8345, 4820009738345 | ||||
| 4820-01-396-8269 (4820013968269) | 4820-01-394-6183 (4820013946183) | 4820-00-971-1986 (4820009711986) | 4820-01-631-7474 (4820016317474) | |
| 4810-01-315-8174 (4810013158174) | 4820-01-045-1164 (4820010451164) | 4820-01-169-9733 (4820011699733) | 4820-01-233-9010 (4820012339010) | |
| 4820-01-169-8577 (4820011698577) | 4820-01-130-1407 (4820011301407) | 4810-01-641-9373 (4810016419373) | 4820-01-646-8601 (4820016468601) | |
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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