5365-00-724-2119 RING,RETAINING Index 5955-00-724-2123 CRYSTAL UNIT,QUARTZ

National Stock Number:
5365-00-724-2120

Federal Supply Class:
5365

National Item Identification Number:
007242120

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:
2482651-145934ONTIC ENGINEERING & MANUFACTURING, INC
2482651-199551GOODRICH CORPORATION


Techincal Specification:
HARDNESS RATING36.0 ROCKWELL C NOMINAL
INSIDE DIAMETER1.560 INCHES MINIMUM AND 1.570 INCHES MAXIMUM
OUTSIDE DIAMETER1.993 INCHES MINIMUM AND 1.998 INCHES MAXIMUM
OVERALL THICKNESS0.013 INCHES MINIMUM AND 0.018 INCHES MAXIMUM
MATERIALSTEEL


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