5841-00-874-7711 REFLECTOR,ANTENNA Index 2840-00-874-7720 RING,LOCK,COMPRESSO

National Stock Number:
5365-00-874-7717

Federal Supply Class:
5365

National Item Identification Number:
008747717

Description:
SPACER,RING

Detail:
A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see GASKET. For items manufactured from lubricated plastics, see BEARING, WASHER, THRUST. For items manufactured from lubricated felt, see FELT, MECHANICAL, PREFORMED. Excludes DISK, VALVE; INSULATOR WASHER; and SHIM. See also SPACER, PLATE and SPACER, SLEEVE.


Manufacturer Information:
6860472-1473342ALLISON TRANSMISSION INC


Techincal Specification:
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING41.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
INSIDE DIAMETER1.775 INCHES MINIMUM AND 1.785 INCHES MAXIMUM
OUTSIDE DIAMETER2.200 INCHES NOMINAL
OVERALL THICKNESS0.166 INCHES MINIMUM AND 0.167 INCHES MAXIMUM
MATERIALSTEEL
SURFACE FINISH125.0 MICROINCHES BORE
SURFACE FINISH125.0 MICROINCHES LARGEST OUTSIDE DIAMETER
SURFACE FINISH16.0 MICROINCHES LEFT SIDE
SURFACE FINISH16.0 MICROINCHES RIGHT SIDE


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