| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-756-0769 (007560769) |
| NCB Code | USA (00) |
| Manufacturer | Circor Aerospace Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT 2ND RESPONSE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CQGM | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END |
| MEDA | MEDIA FOR WHICH DESIGNED | ACETYLENE 2ND RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| AEHZ | MAXIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT 1ST RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 1ST END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |
| CQCY | ADJUSTABLE PRESSURE RANGE | 2.0/6.0 POUNDS PER SQUARE INCH |
| CSDC | OPENING PRESSURE SETTING | 4.0 POUNDS PER SQUARE INCH |
| FEAT | SPECIAL FEATURES | POP-OFF TYPE |
| MATT | MATERIAL | STEEL COMP 303 BODY |
| MATT | MATERIAL | STEEL COMP 303 FLOW CONTROL DEVICE AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| MATT | MATERIAL | STEEL COMP 303 SEAT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE BODY |
| 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 |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| THSD | THREAD SERIES DESIGNATOR | NPT 1ST END |
| Components Related to NSN - 4820-00-756-0769, 4820007560769 | ||||
| 4820-00-287-3034 (4820002873034) | 4820-01-271-7886 (4820012717886) | 4820-01-714-5468 (4820017145468) | 4810-00-936-0709 (4810009360709) | |
| 4820-01-190-3734 (4820011903734) | 4820-01-482-1507 (4820014821507) | 4820-00-145-2608 (4820001452608) | 4820-01-438-4316 (4820014384316) | |
| 4820-00-035-7597 (4820000357597) | 4820-00-417-3438 (4820004173438) | 4820-01-027-8834 (4820010278834) | 4820-01-301-8497 (4820013018497) | |
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