5342-01-128-4988 RETAINER Index 5310-01-128-4990 WASHER

National Stock Number:
5365-01-128-4989

Federal Supply Class:
5365

National Item Identification Number:
011284989

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:
0600B001154497MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS
0600B0011-103538LOCKHEED MARTIN CORPORATION
0600B0011-154497MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS
0600B0011-198151ROMAY CORPORATION DBA ELJAY DIV ELJAY DIVISION
0600B0011-19N639B M B FASTENERS, INC


Techincal Specification:
INSIDE DIAMETER0.812 INCHES NOMINAL
OUTSIDE DIAMETER1.062 INCHES NOMINAL
OVERALL THICKNESS0.062 INCHES NOMINAL
MATERIALSTEEL COMP 304
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTPASSIVATE


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