Whether you are in need of military aviation parts, NSN components, or various forms of aerospace and defense parts, Aerospace Store is a single-sourcing solution with over 2 billion product listings readily available for purchase at any time with competitive pricing. You have reached the Request for Quote (RFQ) page for part number B81-8-898, a Miscellaneous component we feature that is listed with the NSN 4820009918242 and item name “Valve Check.” For further identification, part number B81-8-898 was also specifically produced under CAGE Code 81361 and belongs to Federal Supply Class (FSC) 4820 Valves Nonpowered. If you would like to receive specific options for procurement that have been tailored to your unique needs and restrictions alike, we ask that you please fill out and submit the form provided on this page with as much information as you can. Once our team has a chance to receive and review your offered details, a dedicated account manager will be in touch shortly after.
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| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4820-00-991-8242 Item Description: Valve Check | 4820 | 009918242 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | isc | rnvc | rncc | HCC | MSDS | SADC |
| B81-8-898 | 5 | 2 | 7 |
| MRC | Criteria | Characteristic |
|---|---|---|
| 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 | 250.0 DEG FAHRENHEIT 2ND RESPONSE" |
| AHNC | CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) ALL ENDS" |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC" |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS" |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL" |
| CQGM | MAXIMUM OPERATING PRESSURE | 5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE" |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS" |
| FEAT | SPECIAL FEATURES | OTHER MEDIA UTILIZED: ALCOHOL,ETHYLENE GLYCOL,FREON 12,GASOLINE,HELIUM,HYDROGEN,HYDRAULIC FLUID (MINERAL BASE),LUBE OIL,NATURAL GAS,NITROGEN,WATER; CRACKING PRESSURE 2 - 4 PSI" |
| MATT | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT" |
| MATT | MATERIAL | STEEL COMP 416 BODY" |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASIS416 ASSN STD SINGLE MATERIAL RESPONSE OVERALL" |
| MEDA | MEDIA FOR WHICH DESIGNED | ACETYLENE 1ST RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 2ND RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | AMMONIA, GASEOUS 3RD RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | AMMONIA, LIQUID 4TH RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | CARBON DIOXIDE 5TH RESPONSE" |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU" |
| TEST | TEST DATA DOCUMENT | 81349-MIL-S-51173 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTI" |
| THSD | THREAD SERIES DESIGNATOR | NPT 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 | 250.0 DEG FAHRENHEIT 2ND RESPONSE" |
| AHNC | CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) ALL ENDS" |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC" |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS" |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL" |
| CQGM | MAXIMUM OPERATING PRESSURE | 5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE" |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS" |
| FEAT | SPECIAL FEATURES | OTHER MEDIA UTILIZED: ALCOHOL,ETHYLENE GLYCOL,FREON 12,GASOLINE,HELIUM,HYDROGEN,HYDRAULIC FLUID (MINERAL BASE),LUBE OIL,NATURAL GAS,NITROGEN,WATER; CRACKING PRESSURE 2 - 4 PSI" |
| MATT | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT" |
| MATT | MATERIAL | STEEL COMP 416 BODY" |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASIS416 ASSN STD SINGLE MATERIAL RESPONSE OVERALL" |
| MEDA | MEDIA FOR WHICH DESIGNED | ACETYLENE 1ST RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 2ND RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | AMMONIA, GASEOUS 3RD RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | AMMONIA, LIQUID 4TH RESPONSE" |
| MEDA | MEDIA FOR WHICH DESIGNED | CARBON DIOXIDE 5TH RESPONSE" |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU" |
| TEST | TEST DATA DOCUMENT | 81349-MIL-S-51173 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTI" |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS" |
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