4920-01-440-8028 FIXTURE,MACHINING,AIRCRAFT ENGIN Index 2840-01-440-8030 HOUSING,GEARBOX,TURBINE ENGINE

National Stock Number:
5365-01-440-8029

Federal Supply Class:
5365

National Item Identification Number:
014408029

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:
8988613-0398748AIR FORCE UNITED STATES DEPARTMENT OF THE DBA TINKER AFB OC ALC DSP


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONFEAT
INSIDE DIAMETER1.590 INCHES MINIMUM AND 1.596 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5040/5042 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 1010
PART NAME ASSIGNED BY CONTROLLING AGENCYRING,ADD ON
OUTSIDE DIAMETER1.622 INCHES MINIMUM AND 1.628 INCHES MAXIMUM
OVERALL THICKNESS0.032 INCHES NOMINAL
SPECIAL FEATURES0.240 IN. MIN. AND 0.260 IN. MAX. O/A HT;DEVELOPED LGTH 5.010 IN., PLUS/MINUS .01 IN., ROLL FORMED RING. FAILURE OF THIS ITEM MAY CAUSE MISSION ABORT


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