4820-00-455-2120 VALVE,ANGLE Index 4720-00-455-2129 HOSE,AIR DUCT

National Stock Number:
4730-00-455-2128

Federal Supply Class:
4730

National Item Identification Number:
004552128

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:
35418162983EATON AEROSPACE, LLC


Techincal Specification:
PACKING RECESS DIAMETER1.290 INCHES MINIMUM AND 1.300 INCHES MAXIMUM
PACKING RECESS DEPTH0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE1.063 INCHES
NOMINAL TUBE OUTSIDE DIAMETER0.750 INCHES
NUT HEIGHT0.437 INCHES NOMINAL
NUT STYLETUBE FITTING LOCKNUT
WIDTH ACROSS FLATS1.375 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-+416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD SERIESUN
THREAD QUANTITY PER INCH12


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