5340-01-306-9993 BUMPER Index 5325-01-306-9995 INSERT,SCREW THREAD

National Stock Number:
5365-01-306-9994

Federal Supply Class:
5365

National Item Identification Number:
013069994

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:
AN960KD401688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
NAS1149D4090K80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
INSIDE DIAMETER2.505 INCHES MINIMUM AND 2.525 INCHES MAXIMUM
OUTSIDE DIAMETER3.245 INCHES MINIMUM AND 3.270 INCHES MAXIMUM
OVERALL THICKNESS0.083 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,T3 OR T4 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 1230
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE


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