5310-01-491-9071 WASHER,SPRING TENSION Index 4220-01-491-9073 SWIM FINS

National Stock Number:
5310-01-491-9072

Federal Supply Class:
5310

National Item Identification Number:
014919072

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:
SL61N8FSP497393SPS TECHNOLOGIES LLC


Techincal Specification:
DRIVE POINT DEPTH0.093 INCHES NOMINAL
DRIVE POINT QUANTITY8
DRIVE POINT WIDTH0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
FLANGE THICKNESS0.134 INCHES NOMINAL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758, COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
NOMINAL THREAD SIZE1.375 INCHES
NUT DIAMETER1.896 INCHES MINIMUM AND 1.916 INCHES MAXIMUM
NUT STYLEROUND
NUT THICKNESS0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
SPECIAL FEATURES2 LOCK WIRE HOLES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNEF
THREAD QUANTITY PER INCH18
UNDERCUT THICKNESS0.062 INCHES NOMINAL


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