3110-00-198-2904 BEARING,ROLLER,NEEDLE Index 5310-00-198-2911 WASHER,KEY

National Stock Number:
5310-00-198-2910

Federal Supply Class:
5310

National Item Identification Number:
001982910

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:
326216255380HATCH & KIRK, INC.
326216272915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
N11STAINLESSSTEEL60038THE TIMKEN CORPORATION
N11STAINLESSSTEEL79568WHITTET-HIGGINS COMPANY
MS19068-11396906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIESUNS
NOMINAL THREAD SIZE2.157 INCHES
THREAD QUANTITY PER INCH18
THREAD PITCH DIAMETERS2.1209 TO 2.1260 INCHES
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 302 OR
STEEL COMP 303 OR
STEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
HARDNESS RATING90.0 ROCKWELL B MAXIMUM
NUT STYLEROUND
DRIVE POINT DEPTH0.125 INCHES NOMINAL
NUT DIAMETER2.948 INCHES MINIMUM AND
2.978 INCHES MAXIMUM
NUT THICKNESS0.490 INCHES MINIMUM AND
0.510 INCHES MAXIMUM
DRIVE POINT WIDTH0.240 INCHES MINIMUM AND
0.260 INCHES MAXIMUM
DRIVE POINT QUANTITY4
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS19068-113


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