3020-01-137-2431 SPROCKET WHEEL Index 1680-01-137-2433 COVER

National Stock Number:
5365-01-137-2432

Federal Supply Class:
5365

National Item Identification Number:
011372432

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:
1209740R6M6UNITED STATES COAST GUARD HQ OCEAN ENGINEERING BR G-ECV-3
2050-01-GG0-077204624COAST GUARD YARD UPH


Techincal Specification:
HARDNESS RATING50.0 ROCKWELL C NOMINAL
INSIDE DIAMETER13.250 INCHES NOMINAL
OUTSIDE DIAMETER15.000 INCHES NOMINAL
OVERALL THICKNESS0.125 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC ALL MATERIAL RESPONSES
MATERIALSTEEL COMP 301 AND STEEL COMP 316
TEST DATA DOCUMENT81340-G-EOE-364 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).


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