5315-01-501-1395 KEY,MACHINE Index 5330-01-501-1397 BACK-UP RING,PREFORMED PACKING

National Stock Number:
3120-01-501-1396

Federal Supply Class:
3120

National Item Identification Number:
015011396

Description:
BEARING,WASHER,THRUST

Detail:
An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also WASHER, FLAT and SPACER, SLEEVE.


Manufacturer Information:
440-706781853711NAVAL SEA SYSTEMS COMMAND
440-7067818-3253711NAVAL SEA SYSTEMS COMMAND
H683-4302-3296169ELECTRIC BOAT CORPORATION


Techincal Specification:
DIAMETER0.8800 INCHES NOMINAL
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALPLASTIC OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER1.2300 INCHES NOMINAL
OVERALL THICKNESS0.1250 INCHES NOMINAL
SPECIAL FEATURESTECH DATA NOT RELEASED OUTSIDE U.S.
STYLE DESIGNATORROUND


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