5365-01-267-6438 SPACER,RING Index 5340-01-267-6440 INSERT,SCREW THREAD

National Stock Number:
5365-01-267-6439

Federal Supply Class:
5365

National Item Identification Number:
012676439

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:
5710-52-20-P86928SEASTROM MANUFACTURING CO INC
5710-52-20P86928SEASTROM MANUFACTURING CO INC
6400121-3682577RAYTHEON COMPANY


Techincal Specification:
INSIDE DIAMETER0.246 INCHES MINIMUM AND 0.256 INCHES MAXIMUM
OUTSIDE DIAMETER0.319 INCHES MINIMUM AND 0.339 INCHES MAXIMUM
OVERALL THICKNESS0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM
MATERIALSTEEL COMP 321
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTPASSIVATE


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