5325-00-818-0489 STUD ASSEMBLY,TURNLOCK FASTENER Index 1650-00-818-0491 WASHER,KEY

National Stock Number:
5310-00-818-0490

Federal Supply Class:
5310

National Item Identification Number:
008180490

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:
67849810TFG3ADK MACHINE INC
678498124617GENERAL MOTORS CORP
67849814K446SHACKELFORD MACHINING INC
678498155345ALAMO AIRCRAFT, LTD.
67849815V179MD3 INDUSTRIES, LIMITED
678498163005ROLLS-ROYCE CORPORATION
678498166841PRECI-MANUFACTURING, INCORPORATED
678498166905PACIFIC SKY SUPPLY, INC.
678498173342ALLISON TRANSMISSION INC


Techincal Specification:
DRILLED HOLE DIAMETER0.201 INCHES NOMINAL
DRIVE POINT DEPTH0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
DRIVE POINT QUANTITY8
DRIVE POINT WIDTH0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
COUNTERSINK ANGLE119.0 DEGREES MINIMUM AND 121.0 DEGREES MAXIMUM NUT
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING60.0 ROCKWELL C MINIMUM
HOLE CONFIGURATION STYLECONFIGURATION F
HOLE TYPE AND QUANTITY8 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
NOMINAL THREAD SIZE2.875 INCHES
NUT DIAMETER3.459 INCHES MINIMUM AND 3.479 INCHES MAXIMUM
NUT STYLEROUND
NUT THICKNESS0.415 INCHES MINIMUM AND 0.425 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2481 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONLEFT-HAND
THREAD SERIESUN
THREAD QUANTITY PER INCH12


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