6610-00-394-9870 COUNTERBALANCE,INDICATOR Index 3950-00-394-9872 SPRING,TORQUE ARM

National Stock Number:
5310-00-394-9871

Federal Supply Class:
5310

National Item Identification Number:
003949871

Description:
NUT,PLAIN,ROUND

Detail:
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. See also NUT (1), PLAIN, KNURLED. (When height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)


Manufacturer Information:
369A847602731MCDONNELL DOUGLAS HELICOPTER CO INC
369A84768V613THE BOEING COMPANY


Techincal Specification:
DRIVE POINT DEPTH0.225 INCHES NOMINAL
DRIVE POINT QUANTITY8
DRIVE POINT WIDTH0.250 INCHES NOMINAL
FLANGE THICKNESS0.175 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/4,ALLOY 2014,TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6,ALLOY 2024,TEMPER T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY OVERALL
NOMINAL THREAD SIZE2.250 INCHES
NUT DIAMETER2.625 INCHES NOMINAL
NUT STYLEROUND
NUT THICKNESS0.375 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONH+4-2,TYPE 1,CLASS 1,FSCM 02731 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUN
THREAD QUANTITY PER INCH16
UNDERCUT THICKNESS0.100 INCHES NOMINAL


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