4820-00-208-2802 PISTON,VALVE Index 5310-00-208-2806 NUT,PLAIN,ROUND

National Stock Number:
5310-00-208-2803

Federal Supply Class:
5310

National Item Identification Number:
002082803

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:
5310002082803A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
5310002082803SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
770932219207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
DRIVE POINT QUANTITY4
DRIVE POINT WIDTH0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
DRIVE POINT DEPTH0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
COUNTERSINK ANGLE89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM NUT
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8640 OVERALL
NOMINAL THREAD SIZE3.125 INCHES
NUT DIAMETER4.270 INCHES MINIMUM AND 4.290 INCHES MAXIMUM
NUT STYLEROUND
NUT THICKNESS0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM
SPECIAL FEATURESOUTER PERIMETER OF NUT HAS 0.156 TO 0.171 IN. GROVE CENTRALLY LOCATED
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUN


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