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National Stock Number:
5365-00-404-0783
Federal Supply Class:
5365
National Item Identification Number:
004040783
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:
| 11659888 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.145 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 4.213 INCHES MAXIMUM | | FIRST RIGHT COUNTERBORE DEPTH | 0.125 INCHES NOMINAL | | FIRST RIGHT COUNTERBORE INSIDE DIAMETER | 3.500 INCHES MAXIMUM | | FIRST RIGHT STEP OUTSIDE DIAMETER | 3.877 INCHES MAXIMUM | | FIRST RIGHT STEP WIDTH | 0.230 INCHES MINIMUM AND 0.235 INCHES MAXIMUM | | OVERALL LENGTH | 0.375 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A519,COMP 1020 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A108,XOMP 1020 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 1020 |
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