5365-01-178-3773 SHIM Index 4820-01-178-3776 VALVE,VACUUM BREAKING

National Stock Number:
5365-01-178-3774

Federal Supply Class:
5365

National Item Identification Number:
011783774

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:
RA 5885827541TRANSAERO, INC.
RA 58858K0654SAFRAN LANDING SYSTEMS UK LTD
RA 58858U7388TRIUMPH AEROSPACE OPERATIONS UK, LTD.


Techincal Specification:
INSIDE DIAMETER1.200 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONL64 OR L102,DOWTY ROTOL LTD MFR REF SINGLE MATERIAL RESPONSE
MATERIALALUMINUM
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER1.371 INCHES MINIMUM AND 1.373 INCHES MAXIMUM
OVERALL THICKNESS0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM
SPECIAL FEATURESOUTSIDE EDGES CHAMFERED 0.025 IN. AND 45.0 DEG
SURFACE FINISH63.0 MICROINCHES BORE
SURFACE FINISH63.0 MICROINCHES LARGEST OUTSIDE DIAMETER
SURFACE FINISH63.0 MICROINCHES LEFT SIDE
SURFACE FINISH63.0 MICROINCHES RIGHT SIDE


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