4920-00-964-0931 TEST SET,ELECTRONIC SYSTEMS Index 4920-00-964-0933 TEST BOX,COMPUTER M

National Stock Number:
5365-00-964-0932

Federal Supply Class:
5365

National Item Identification Number:
009640932

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:
S8157BT156-09370210HONEYWELL INTERNATIONAL INC.
S8157BT156-09372599ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO
S8157BT156-09399193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
INSIDE DIAMETER0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM
OUTSIDE DIAMETER0.860 INCHES MINIMUM AND 0.880 INCHES MAXIMUM
OVERALL THICKNESS0.093 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6721,COMP T1 OR CB-TA MIL SPEC ALL MATERIAL RESPONSES
MATERIALSTEEL COMP 321 OR STEEL COMP 347
SURFACE FINISH125.0 MICROINCHES OVERALL
SURFACE TREATMENTPASSIVATE


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