9390-00-720-3550 NONMETALLIC SPECIAL SHAPED SECTI Index 9390-00-720-3552 NONMETALLIC SPECIAL SHAPED SECTI

National Stock Number:
5365-00-720-3551

Federal Supply Class:
5365

National Item Identification Number:
007203551

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:
901931218876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
INSIDE DIAMETER3.017 INCHES NOMINAL
OUTSIDE DIAMETER4.000 INCHES NOMINAL
OVERALL THICKNESS0.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-T-830,COND CDSR FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 1010 OR STEEL COMP 1020
SURFACE TREATMENTCADMIUM


Click here to Register for Free 30-day Trial