5310-01-187-3479 NUT,PLAIN,HEXAGON Index 5310-01-187-3482 NUT,PLAIN,ROUND

National Stock Number:
5310-01-187-3481

Federal Supply Class:
5310

National Item Identification Number:
011873481

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:
C4227E048-281755LOCKHEED MARTIN CORPORATION
NS202697G-048-280539SPS TECHNOLOGIES, LLC


Techincal Specification:
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER0.371 INCHES MINIMUM AND 0.381 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH0.750 INCHES MINIMUM AND 0.754 INCHES MAXIMUM
COUNTERBORE DIAMETER0.280 INCHES MINIMUM NUT
FEATURES PROVIDEDFLOATING NUT
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
LUBRICATIONDRY FILM LUBRICANT
OVERALL HEIGHT0.745 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3304 ASSN STD 1ST MATERIAL RESPONSE OR MIL-R-25988 MIL SPEC 2ND MATERIAL RESPONSE SEAL
MATERIALIRON ALLOY 660 SHELL
MATERIALRUBBER SILICONE CLASS Q OR RUBBER FLUOROSILICONE CLASS FQ SEAL
MATERIALSTEEL NUT
MATERIALSTEEL WASHER
MOUNTING HOLE DIAMETER0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
NOMINAL THREAD SIZE0.250 INCHES
NUT COUNTERBORE DEPTH0.125 INCHES MINIMUM NUT
NUT HEIGHT0.360 INCHES MAXIMUM
NUT LENGTH0.967 INCHES MAXIMUM
NUT MOUNTING PROVISIONSTRAIGHT HOLES
NUT STYLEPLATE
PLATE THICKNESS0.020 INCHES NOMINAL
PLATE WIDTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE SHELL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2 FED SPEC SINGLE TREATMENT RESPONSE NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE WASHER
SURFACE TREATMENTCADMIUM AND CHROMATE WASHER
SURFACE TREATMENTCADMIUM OR CHROMATE NUT
SURFACE TREATMENTPASSIVATE SHELL
TEMP RATING450.0 FAHRENHEIT NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH28


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