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National Stock Number:
5365-00-891-8850
Federal Supply Class:
5365
National Item Identification Number:
008918850
Description:
SPACER,STEPPED
Detail:
A TUBULAR SHAPED ITEM WITH A ROUND OR HEXAGON PERIPHERAL SHAPE HAVING TWO FLAT BEARING SURFACES PERPENDICULAR TO THE AXIS OF THE CENTRALLY LOCATED HOLE. IT IS DESIGNED TO MAINTAIN A PREDETERMINED DISTANCE BETWEEN ASSEMBLED PARTS. THE ITEM MAY BE WITH OR WITHOUT FLANGE(S) OF ANY PERIPHERAL SHAPE. THE LENGTH MUST EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OR DISTANCE ACROSS PERIPHERAL FLATS. (WHEN THE LENGTH, OUTSIDE DIAMETER, AND/OR DISTANCE ACROSS PERIPHERAL FLATS ARE DESIGNATED AS A TOLERANCE, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE.) IT MUST HAVE ONE OR MORE INTERNAL STEPS (COUNTERBORES) AND/OR EXTERNAL STEPS ON EITHER OR BOTH BEARING SURFACES. EXCLUDES SPACER, OPTICAL ELEMENT. SEE ALSO WASHER, RECESSED AND WASHER, SHOULDERED AND RECESSED.
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Manufacturer Information:
| 64A114B60-1 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 64A114B60-1 | 11201 | DEVAL LIFE CYCLE SUPPORT LLC | | 64A114B60-1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| FIRST LEFT COUNTERBORE DEPTH | 0.055 INCHES MINIMUM AND 0.057 INCHES MAXIMUM | | FIRST LEFT COUNTERBORE INSIDE DIAMETER | 2.062 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-631,COMP 1020 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 1020 | | OVERALL LENGTH | 0.312 INCHES MINIMUM AND 0.320 INCHES MAXIMUM | | SECOND LEFT COUNTERBORE DEPTH | 0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
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