5930-00-930-4256 SWITCH,THERMOSTATIC Index 1240-00-930-4258 MOUNT,TELESCOPE

National Stock Number:
5365-00-930-4257

Federal Supply Class:
5365

National Item Identification Number:
009304257

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:
704518-473030HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
INSIDE DIAMETER1.790 INCHES MINIMUM AND 1.800 INCHES MAXIMUM
MATERIALSTEEL
OUTSIDE DIAMETER2.020 INCHES NOMINAL
OVERALL THICKNESS0.078 INCHES MINIMUM AND 0.082 INCHES MAXIMUM


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