5310-01-270-1250 NUT,SELF-LOCKING,PLATE Index 5310-01-270-1252 WASHER,FLAT

National Stock Number:
5310-01-270-1251

Federal Supply Class:
5310

National Item Identification Number:
012701251

Description:
NUT,SELF-LOCKING,PLATE

Detail:
A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.


Manufacturer Information:
68160-109344ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS


Techincal Specification:
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
THREAD DIRECTIONRIGHT-HAND
NUT STYLEPLATE
MATERIALSTEEL COMP 304 OVERALL
THREAD SERIESUNF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2B
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TYPE 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM CENTERLINE TO FLAT0.245 INCHES NOMINAL
NUT HEIGHT1.130 INCHES NOMINAL
PLATE THICKNESS0.250 INCHES NOMINAL
PLATE WIDTH1.250 INCHES NOMINAL
NUT COUNTERBORE DEPTH0.230 INCHES NOMINAL NUT
COUNTERBORE DIAMETER0.486 INCHES MINIMUM AND
0.494 INCHES MAXIMUM NUT
NUT MOUNTING PROVISIONSTRAIGHT HOLES
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
MOUNTING HOLE DIAMETER0.138 INCHES NOMINAL
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER0.293 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH0.586 INCHES NOMINAL
SPECIAL FEATURESMOUNTING HOLES THREADED 0.138-32 UNC 2B


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