4730-00-277-6373 LOCKNUT,TUBE FITTING Index 4730-00-277-6375 LOCKNUT,TUBE FITTING

National Stock Number:
4730-00-277-6374

Federal Supply Class:
4730

National Item Identification Number:
002776374

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:
AN6289-300624EATON AEROQUIP LLC
AN6289-306581ALLAN AIRCRAFT SUPPLY CO., LLC
AN6289-314397FABER ENTERPRISES, INC.
AN6289-322995CROWN FITTING CO INC
AN6289-334724ACRA AEROSPACE INC
AN6289-371563COLLINS ENGINEERING CORP
AS48410U583SAE INTERNATIONAL
AS51790U583SAE INTERNATIONAL
AS5179-030U583SAE INTERNATIONAL
SAE-AS48410U583SAE INTERNATIONAL
AS5179-0381343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS517981343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS484181343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AN6289-388044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
THREAD SERIESUNF
NOMINAL THREAD SIZE0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 1141 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637,COMP 1141 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLETUBE FITTING LOCKNUT
NUT HEIGHT0.250 INCHES NOMINAL
WIDTH ACROSS FLATS0.625 INCHES NOMINAL
PACKING RECESS DIAMETER0.546 INCHES NOMINAL
PACKING RECESS DEPTH0.037 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER0.188 INCHES
SPECIFICATION/STANDARD DATA88044-AN6289 GOVERNMENT STANDARD


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