1240-01-171-8377 RING,RETAINING,OPTICAL ELEMENT Index 6650-01-171-8380 MIRROR,OPTICAL INSTRUMENT

National Stock Number:
5365-01-171-8378

Federal Supply Class:
5365

National Item Identification Number:
011718378

Description:
SPACER,SLEEVE

Detail:
A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the boday. (When the length, outside diamete, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see SPACER, PLATE. Excludes items with lubricating features, see BEARING, SLEEVE and BUSHING, SLEEVE. See also BUSHING, TAPERED; SPACER, RING; WASHER, FLAT; and WASHER, (as modified).


Manufacturer Information:
1307529104939LOCKHEED MARTIN CORPORATION
1307529158260PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH


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