5310-01-042-2788 NUT,PLAIN,HEXAGON Index 5310-01-042-2790 NUT,PLAIN,CLINCH

National Stock Number:
5310-01-042-2789

Federal Supply Class:
5310

National Item Identification Number:
010422789

Description:
NUT,PLAIN,HEXAGON

Detail:
A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)


Manufacturer Information:
ST7M223T16L76301THE BOEING COMPANY


Techincal Specification:
DRILLED HOLE DIAMETER0.070 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM NUT
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY2 DRILLED
MATERIALTITANIUM ALLOY OVERALL
NOMINAL THREAD SIZE1.250 INCHES
NUT HEIGHT0.338 INCHES NOMINAL
NUT STYLEHEXAGON
SPECIAL FEATURESTUBE SIZE: 1"
SPECIAL TEST FEATURESMATERIAL: TITANIUM - 6AL-4V PER AMS 4965; FINISH: COAT THREAD WITH BAKED ON SOLID FILM LUBRICANT PER MIL-L-8937
WIDTH ACROSS FLATS1.500 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD SERIESUNJS
THREAD QUANTITY PER INCH14


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