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National Stock Number:
5365-01-057-9197
Federal Supply Class:
5365
National Item Identification Number:
010579197
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:
| 638AS1453 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 0.850 INCHES MAXIMUM | | FIRST LEFT COUNTERBORE INSIDE DIAMETER | 0.530 INCHES MAXIMUM | | FIRST RIGHT STEP WIDTH | 0.050 INCHES NOMINAL | | OVERALL LENGTH | 0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING | | SECOND RIGHT STEP OUTSIDE DIAMETER | 0.660 INCHES MAXIMUM | | SPECIAL FEATURES | HAS 4 THREADED HOLES,0.375-24 UNF-2B,CENTERED 90 DEGREES APART | | STYLE DESIGNATOR | STEPPED SPACER |
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