5970-01-187-3918 INSULATOR,PLATE Index 5310-01-187-3920 WASHER,KEY

National Stock Number:
5310-01-187-3919

Federal Supply Class:
5310

National Item Identification Number:
011873919

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:
1881B25613002GOODRICH CORPORATION
1881B2566K4C8GOODRICH CORPORATION
1881B25699106AMERICAN AIRCRAFT PARTS MFG. CO.


Techincal Specification:
DRIVE POINT DEPTH0.188 INCHES NOMINAL
DRIVE POINT QUANTITY2
DRIVE POINT WIDTH0.440 INCHES NOMINAL
HOLE CONFIGURATION STYLECONFIGURATION F
HOLE NOMINAL THREAD DIAMETER0.190 INCHES
HOLE THREAD QUANTITY PER INCH32
HOLE TYPE AND QUANTITY4 TAPPED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-8844,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4340 OVERALL
NOMINAL THREAD SIZE3.125 INCHES
NUT DIAMETER3.875 INCHES NOMINAL
NUT STYLEROUND
NUT THICKNESS0.750 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNIFIED NATIONAL JOINT (UNJ)
THREAD QUANTITY PER INCH12


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