5306-00-541-0153 BOLT,MACHINE Index 3120-00-541-0158 BUSHING,SLEEVE

National Stock Number:
5365-00-541-0157

Federal Supply Class:
5365

National Item Identification Number:
005410157

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:
20-41584-576301THE BOEING COMPANY


Techincal Specification:
FSC APPLICATION DATA1. BRACE,STRUT,LANDING GEAR,AIRCRAFT
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM
INSIDE DIAMETER1.753 INCHES MINIMUM AND 1.758 INCHES MAXIMUM
OUTSIDE DIAMETER1.938 INCHES NOMINAL
OVERALL THICKNESS0.283 INCHES MINIMUM AND 0.288 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 4130
SURFACE TREATMENTCADMIUM


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