4820-01-052-7401 VALVE,RESTRICTOR CHECK Index 6210-01-052-7403 LENS,LIGHT

National Stock Number:
5310-01-052-7402

Federal Supply Class:
5310

National Item Identification Number:
010527402

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:
13620-048456878SPS TECHNOLOGIES, LLC
13620-048480539SPS TECHNOLOGIES, LLC
NS202253-048-156878SPS TECHNOLOGIES, LLC
NS202253-048-180539SPS TECHNOLOGIES, LLC
13620-048Y80539SPS TECHNOLOGIES, LLC
C7512A4-181755LOCKHEED MARTIN CORPORATION


Techincal Specification:
COUNTERBORE DIAMETER0.254 INCHES MINIMUM FIRST END
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
LUBRICATIONDRY FILM LUBRICANT
MATERIALSTEEL OVERALL
MOUNTING HOLE DIAMETER0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
NOMINAL THREAD SIZE0.250 INCHES
NUT COUNTERBORE DEPTH0.062 INCHES MINIMUM FIRST END
NUT HEIGHT0.261 INCHES MAXIMUM
NUT LENGTH1.038 INCHES MAXIMUM
NUT MOUNTING PROVISIONSTRAIGHT HOLES
NUT STYLEPLATE
PLATE THICKNESS0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
TEMP RATING450.0 FAHRENHEIT MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD SERIESUNJF
THREAD QUANTITY PER INCH28


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