5310-00-281-2501 WASHER,LOCK Index 5310-00-281-2521 WASHER,SPRING TENSION

National Stock Number:
5310-00-281-2504

Federal Supply Class:
5310

National Item Identification Number:
002812504

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:
12157400198PRATT & WHITNEY CANADA CORP


Techincal Specification:
DRIVE POINT DEPTH0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
DRIVE POINT QUANTITY6
DRIVE POINT WIDTH0.184 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
COUNTERSINK ANGLE58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM NUT
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6323 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8740 OVERALL
NOMINAL THREAD SIZE0.625 INCHES
NUT DIAMETER1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
NUT STYLEROUND
NUT THICKNESS0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIESUNF


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