5340-01-379-1444 HOLDER,LOOP Index 5310-01-379-1446 WASHER,FLAT

National Stock Number:
5365-01-379-1445

Federal Supply Class:
5365

National Item Identification Number:
013791445

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:
B-055128199L3 TECHNOLOGIES, INC.


Techincal Specification:
INSIDE DIAMETER2.620 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 5052
OUTSIDE DIAMETER3.250 INCHES NOMINAL
OVERALL THICKNESS0.090 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTCHROMATE


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