4820-00-885-0220 VALVE,SAFETY RELIEF Index 5120-00-885-0227 DRIVER,VALVE SLEEVE

National Stock Number:
4730-00-885-0221

Federal Supply Class:
4730

National Item Identification Number:
008850221

Description:
LOCKNUT,TUBE FITTING

Detail:
AN ITEM WITH INTERNAL MACHINE THREADS DESIGNED TO FIT THE EXTERNAL MACHINE THREADS OF A TUBE FITTING. IT HAS FLAT FACES, ONE OF WHICH HAS A COUNTERBORED RECESS TO ACCOMMODATE PACKING, PACKING OR SEALING RING(S), GASKET(S), AND THE LIKE. THE ITEM, WHEN INSTALLED, PROVIDES A METHOD OF LOCKING AND SEALING THE CONNECTION. SEE ALSO LOCKNUT, PIPE; NUT (1), TUBE COUPLING AND NUT (1), PLAIN, HEXAGON.


Manufacturer Information:
2631627679318MEGGITT NORTH HOLLYWOOD INC
2631627699167HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE0.875 INCHES
NOMINAL TUBE OUTSIDE DIAMETER0.625 INCHES
PACKING RECESS DEPTH0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM
PACKING RECESS DIAMETER0.891 INCHES MINIMUM AND 0.906 INCHES MAXIMUM
WIDTH ACROSS FLATS1.121 INCHES MINIMUM AND 1.128 INCHES MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH14
THREAD SERIESUNF


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