5970-01-014-0727 INSULATOR,WASHER Index 5970-01-014-0729 INSULATOR,BUSHING

National Stock Number:
5310-01-014-0728

Federal Supply Class:
5310

National Item Identification Number:
010140728

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:
19081-102121GOODRICH AEROSPACE CANADA LTD.
19081-126512NORTHROP GRUMMAN SYSTEMS CORPORATION
19081-177751NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
DRIVE POINT DEPTH0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
DRIVE POINT QUANTITY4
DRIVE POINT WIDTH0.250 INCHES NOMINAL
CRITICALITY CODE JUSTIFICATIONFEAT
COUNTERSINK ANGLE45.0 DEGREES NOMINAL NUT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/4,T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/9,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 7075 OVERALL
NOMINAL THREAD SIZE1.375 INCHES
NUT DIAMETER1.900 INCHES NOMINAL
NUT STYLEROUND
NUT THICKNESS0.300 INCHES NOMINAL
SPECIAL FEATURESITEM IS CRITCAL TO APPLICATION (A-10 LANDING GEAR COMPONENT) AND IS ESSENTAIL TO WEAPON SYSTEM PERFORMANCE AND OPERATION
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD QUANTITY PER INCH16
THREAD SERIESUNJ


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