5365-00-998-8448 SPACER,RING Index 5315-00-998-8450 PIN,SLOTTED

National Stock Number:
5365-00-998-8449

Federal Supply Class:
5365

National Item Identification Number:
009988449

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:
S6120-62268-00155345ALAMO AIRCRAFT, LTD.
S6120-62268-00178286SIKORSKY AIRCRAFT CORPORATION
S6120-62268-178286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
INSIDE DIAMETER0.379 INCHES MINIMUM AND 0.383 INCHES MAXIMUM
OUTSIDE DIAMETER0.501 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
OVERALL THICKNESS0.125 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 4130
SURFACE FINISH100.0 MICROINCHES BORE
SURFACE FINISH100.0 MICROINCHES RIGHT SIDE
SURFACE FINISH100.0 MICROINCHES LARGEST OUTSIDE DIAMETER
SURFACE FINISH100.0 MICROINCHES LEFT SIDE
SURFACE TREATMENTCADMIUM


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