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National Stock Number:
5310-00-576-2720
Federal Supply Class:
5310
National Item Identification Number:
005762720
Description:
WASHER,RECESSED
Detail:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.
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Manufacturer Information:
| 19498 | 92208 | LITTON SYSTEMS INC ITEK OPTICAL SYSTEMS DIV |
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Techincal Specification:
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM | | OVERALL HEIGHT | 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.172 INCHES NOMINAL | | MATERIAL | STEEL COMP 6 OVERALL | | RECESS DEPTH | 0.031 INCHES NOMINAL | | SPECIAL FEATURES | TWO HOLES 0.067 IN. DRILLED PARALLEL TOHOLE AXIS 0.187 PLUS 0.001-0.000 IN. FROM AXIS | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | PASSIVATE OVERALL |
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