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National Stock Number:
5365-01-304-4617
Federal Supply Class:
5365
National Item Identification Number:
013044617
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:
| 128C4069 | 72429 | MISSION SYSTEMS DAVENPORT INC. |
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Techincal Specification:
| FIRST RIGHT COUNTERBORE DEPTH | 0.340 INCHES NOMINAL | | FIRST RIGHT STEP WIDTH | 0.365 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND D4 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 4130 | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL LENGTH | 0.580 INCHES NOMINAL | | SECOND LEFT STEP WIDTH | 0.120 INCHES NOMINAL | | SECOND RIGHT COUNTERBORE DEPTH | 0.180 INCHES NOMINAL | | SPECIAL FEATURES | INCLUDES ONE PIN; ZINC CHROMATE,TT-P-1757 SURFACE TREATMENT | | STYLE DESIGNATOR | STEPPED SPACER |
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