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National Stock Number:
3120-01-497-6348
Federal Supply Class:
3120
National Item Identification Number:
014976348
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.
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Manufacturer Information:
| 342-7067317 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 342-7067317-43 | 53711 | NAVAL SEA SYSTEMS COMMAND | | H643-6502-43 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| DIAMETER | 16.4850 INCHES MINIMUM AND 16.4950 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | FLANGE THICKNESS | 1.9950 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | DELRIN CMPSN-100AF MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC ACETAL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BEARING, UPPER STANDPIPE | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 16.9270 INCHES MINIMUM AND 16.9370 INCHES MAXIMUM | | OVERALL THICKNESS | 2.3700 INCHES NOMINAL | | SHANK OUTSIDE DIAMETER | 16.1300 INCHES MINIMUM AND 16.1500 INCHES MAXIMUM | | SPECIAL FEATURES | INCLUDE 0.12" WIDE SAWCUT AFTER MACHINING | | STYLE DESIGNATOR | ROUND |
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