4810-01-198-0685 SEAT,VALVE Index 4320-01-198-0687 RING,WEARING

National Stock Number:
5340-01-198-0686

Federal Supply Class:
5340

National Item Identification Number:
011980686

Description:
PLATE,RETAINING,WINDOW

Detail:
A COMPARATIVELY FLAT RIGID ITEM, HAVING A CENTRALLY LOCATED APERTURE, DESIGNED TO HOLD A WINDOW IN POSITION IN MECHANICAL OR OPTICAL INSTRUMENTS. IT MUST HAVE DRILLED AND/OR TAPPED HOLES FOR MOUNTING PURPOSES.


Manufacturer Information:
1234071019207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
5340PL08254029009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
558908134623AM GENERAL LLC


Techincal Specification:
APERTURE SHAPERECTANGULAR
DIAMETER0.162 INCHES MINIMUM AND 0.182 INCHES MAXIMUM MOUNTING HOLE
FEATURES PROVIDEDAPERTURE
LENGTH17.980 INCHES NOMINAL APERTURE
LENGTH19.380 INCHES NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A569 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1009 OVERALL
MOUNTING HOLE QUANTITY18
RADIUS3.250 INCHES NOMINAL APERTURE CORNER
RADIUS3.250 INCHES NOMINAL CORNER
SHAPERECTANGULAR PLATE
SPECIAL FEATURESMATL HARDNESS RATING-NOT RATED;RAISED SURFACE FEATURE-NOT INCLUDED
WIDTH10.250 INCHES NOMINAL OVERALL
WIDTH8.850 INCHES NOMINAL APERTURE
THICKNESS0.063 INCHES NOMINAL OVERALL


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