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National Stock Number:
5365-01-624-1377
Federal Supply Class:
5365
National Item Identification Number:
016241377
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:
| 17-3-3649-2 | 81337 | W1D1 NATICK SOLDIER CENTER |
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Techincal Specification:
| STYLE DESIGNATOR | STEPPED SPACER | | SURFACE TREATMENT | PRIMER AND PAINT | | BODY INSIDE DIAMETER | 1.00 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 3.00 INCHES NOMINAL | | FIRST LEFT STEP OUTSIDE DIAMETER | 2.00 INCHES NOMINAL | | FIRST LEFT STEP WIDTH | 1.00 INCHES NOMINAL | | FIRST RIGHT COUNTERBORE DEPTH | 1.25 INCHES NOMINAL | | FIRST RIGHT COUNTERBORE INSIDE DIAMETER | 2.50 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B211 NATIONAL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 7075 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SPACER, TIEDOWN | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL LENGTH | 2.50 INCHES NOMINAL | | SECOND RIGHT COUNTERBORE INSIDE DIAMETER | 1.50 INCHES NOMINAL | | SPECIAL FEATURES | COLOR-TAN |
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