8430-01-617-9173 BOOTS,FIREMEN'S 2530-01-617-8881 CALIPER ASSEMBLY,DISC BRAKE

National Stock Number:
5365-01-618-5409

Federal Supply Class:
5365

National Item Identification Number:
016185409

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:
4314005PFF0HYDREMA U.S., INC.
431400-D5PFF0HYDREMA U.S., INC.


Techincal Specification:
INSIDE DIAMETER31.000 INCHES NOMINAL
OUTSIDE DIAMETER35.000 INCHES NOMINAL
OVERALL THICKNESS7.800 INCHES MINIMUM AND 8.200 INCHES MAXIMUM
MATERIALSTEEL
SPECIAL FEATURESDRAWING STATES COATING HYDREMA INSTR 305.42


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