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National Stock Number:
5365-01-011-9870
Federal Supply Class:
5365
National Item Identification Number:
010119870
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:
| 16987 | 02227 | NAVAL ELECTRONIC SYSTEMS SECURITY ENGINEERING CENTER |
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Techincal Specification:
| FIRST LEFT COUNTERBORE DEPTH | 0.250 INCHES NOMINAL | | FIRST RIGHT STEP WIDTH | 0.437 INCHES NOMINAL | | OVERALL LENGTH | 1.039 INCHES MINIMUM AND 1.043 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | 225/8,ALLOY 6061,T6 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | SECOND RIGHT STEP WIDTH | 0.253 INCHES MINIMUM AND 0.269 INCHES MAXIMUM | | STYLE DESIGNATOR | STEPPED SPACER |
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