9330-00-252-4618 WINDOW,OBSERVATION Index 5310-00-252-4620 WASHER,LOCK

National Stock Number:
5310-00-252-4619

Federal Supply Class:
5310

National Item Identification Number:
002524619

Description:
WASHER,LOCK

Detail:
A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces


Manufacturer Information:
105088-50537695RAYTHEON COMPANY


Techincal Specification:
HOLE DIAMETER0.142 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
MATERIAL THICKNESS0.018 INCHES NOMINAL
MATERIALCOPPER ALLOY OVERALL
OUTSIDE DIAMETER0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM
STYLE DESIGNATORFLAT INTERNAL TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONFPS491-237695 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMIUM OVERALL


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