4820-01-135-0010 DISK,RUPTURABLE Index 5985-01-135-0012 COUPLER,DIRECTIONAL

National Stock Number:
5365-01-135-0011

Federal Supply Class:
5365

National Item Identification Number:
011350011

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:
100344556232LOCKHEED MARTIN CORPORATION
185760810001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
INSIDE DIAMETER0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM
OUTSIDE DIAMETER14.750 INCHES NOMINAL
OVERALL THICKNESS0.125 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/4,T4 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 2024
SPECIAL FEATURES12 MTG HOLES EQUALLY SPACED ON 14.000 IN. DIA
SURFACE FINISH250.0 MICROINCHES LEFT SIDE
SURFACE FINISH250.0 MICROINCHES RIGHT SIDE


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