4820-01-374-5318 SEAT,VALVE Index 5365-01-374-5321 SPACER,RING

National Stock Number:
5365-01-374-5320

Federal Supply Class:
5365

National Item Identification Number:
013745320

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:
114PS219-477272THE BOEING COMPANY
114PS219-4A0126LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE
CEC4-550507060C. E. CONOVER & CO., INC.


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONSPCL
PART NAME ASSIGNED BY CONTROLLING AGENCYSPACER
SPECIAL FEATURESNEXT HIGHER ASSEMBLY: BEARING SPACER - AFT ENGINE SUPPORT
SPECIAL TEST FEATURESCRITICAL APPLICATION ITEM (CAI)
SUPPLEMENTARY FEATURESMATERIAL: REVONOC 5300


Click here to Register for Free 30-day Trial