| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-191-6881 (001916881) |
| NCB Code | USA (00) |
| Manufacturer | Circor Aerospace Inc, Lockheed Martin Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSY | VALVE DISCHARGE FLOW RATE | 200.0 CUBIC FEET PER MINUTE |
| 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 | VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE |
| CMLP | THREAD QUANTITY PER INCH | 12 1ST END |
| CQCY | ADJUSTABLE PRESSURE RANGE | 47.0/53.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 60.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 1.312 INCHES 1ST END |
| CSDC | OPENING PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.000 INCHES 1ST END |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY2024 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UN 1ST END |
| Relevant Components for NSN - 4820-00-191-6881, 4820001916881 | ||||
| 4810-01-547-2012 (4810015472012) | 4820-01-698-0859 (4820016980859) | 4810-01-240-8588 (4810012408588) | 4820-01-380-2942 (4820013802942) | |
| 4820-01-226-2114 (4820012262114) | 4820-01-457-2193 (4820014572193) | 4820-01-420-4996 (4820014204996) | 4820-00-758-7343 (4820007587343) | |
| 4820-01-435-2099 (4820014352099) | 4810-01-178-7003 (4810011787003) | 4810-01-259-7300 (4810012597300) | 4820-01-200-8668 (4820012008668) | |
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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