5310-00-776-7667 NUT,PLAIN,ROUND Index 2520-00-776-7669 COVER

National Stock Number:
5310-00-776-7668

Federal Supply Class:
5310

National Item Identification Number:
007767668

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:
5310007767668A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
5310007767668SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
676059324617GENERAL MOTORS CORP
776766819207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
DRIVE POINT DEPTH0.312 INCHES NOMINAL
DRIVE POINT QUANTITY6
DRIVE POINT WIDTH0.250 INCHES NOMINAL
COUNTERSINK ANGLE119.0 DEGREES MINIMUM AND 121.0 DEGREES MAXIMUM FIRST END
COUNTERSINK ANGLE119.0 DEGREES MINIMUM AND 121.0 DEGREES MAXIMUM SECOND END
COUNTERBORE DIAMETER4.000 INCHES NOMINAL NUT
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-626 FED SPEC SINGLE MATERIAL RESPONSE OR SAE FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
NOMINAL THREAD SIZE3.891 INCHES
NUT DIAMETER5.240 INCHES MINIMUM AND 5.260 INCHES MAXIMUM
NUT COUNTERBORE DEPTH0.125 INCHES NOMINAL NUT
NUT STYLEROUND
NUT THICKNESS0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
SPECIAL FEATURES3.830 IN. MIN 3.836 IN. MAX DIA COUNTERSTNK ON SMALL END AND 4.719 IN. DIA COUNTERSINK ON LARGE END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,TYPE M,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE MANGANESE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNS
THREAD PITCH DIAMETERS+3.8575 TO 3.8631 INCHES
THREAD QUANTITY PER INCH20


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