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National Stock Number:
5365-01-255-4803
Federal Supply Class:
5365
National Item Identification Number:
012554803
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:
| 3805633-1 | 82577 | RAYTHEON COMPANY |
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Techincal Specification:
| FIRST RIGHT STEP WIDTH | 0.121 INCHES MINIMUM AND 0.126 INCHES MAXIMUM | | OVERALL LENGTH | 0.585 INCHES MINIMUM AND 0.594 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | STYLE DESIGNATOR | STEPPED SPACER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | CHROMATE |
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