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National Stock Number:
5365-00-168-2194
Federal Supply Class:
5365
National Item Identification Number:
001682194
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:
| 11611958 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BODY INSIDE DIAMETER | 4.375 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.060 INCHES MAXIMUM | | FIRST LEFT COUNTERBORE DEPTH | 0.310 INCHES NOMINAL | | FIRST LEFT COUNTERBORE INSIDE DIAMETER | 4.375 INCHES MAXIMUM | | FIRST RIGHT STEP OUTSIDE DIAMETER | 2.970 INCHES MAXIMUM | | FIRST RIGHT STEP WIDTH | 0.560 INCHES NOMINAL | | OVERALL LENGTH | 2.370 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/AA,ALLOY 6061,0 FED SPEC 1ST MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 AND PLASTIC | | RIGHT KEYWAY WIDTH | 2.680 INCHES NOMINAL | | RIGHT KEYWAY DEPTH | 1.060 INCHES NOMINAL | | SECOND LEFT COUNTERBORE INSIDE DIAMETER | 3.630 INCHES MAXIMUM | | SECOND LEFT COUNTERBORE DEPTH | 1.625 INCHES NOMINAL | | SECOND RIGHT STEP OUTSIDE DIAMETER | 3.690 INCHES MAXIMUM | | SECOND RIGHT STEP WIDTH | 0.315 INCHES NOMINAL | | STYLE DESIGNATOR | STEPPED SPACER |
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