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National Stock Number:
5365-01-617-9738
Federal Supply Class:
5365
National Item Identification Number:
016179738
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:
| 24-R127629 | S9285 | RAFAEL ADVANCED DEFENSE SYSTEMS LTD. | | MEI10603 | 1931A | RAFAEL ADVANCED DEFENSE SYSTEMS LTD. | | MEI10603 | S9285 | RAFAEL ADVANCED DEFENSE SYSTEMS LTD. |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 1.000 INCHES NOMINAL | | HARDNESS RATING | 28.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOSS SPACER M12 | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL LENGTH | 49.4 MILLIMETERS MINIMUM AND 50.4 MILLIMETERS MAXIMUM | | SECOND LEFT STEP WIDTH | 9.6 MILLIMETERS MINIMUM AND 10.4 MILLIMETERS MAXIMUM | | SECOND LEFT STEP OUTSIDE DIAMETER | 17.7 MILLIMETERS MINIMUM AND 18.3 MILLIMETERS MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A967 ASSN STD SINGLE TREATMENT RESPONSE OR AMS QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | PASSIVATE |
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