2805-01-139-6349 RING,PISTON Index 5310-01-139-6352 WASHER,FLAT

National Stock Number:
5365-01-139-6350

Federal Supply Class:
5365

National Item Identification Number:
011396350

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:
70802-12215-10778286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
FEATURES PROVIDEDCASEHARDENED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTCADMIUM AND CHROMATE


Click here to Register for Free 30-day Trial