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National Stock Number:
5310-00-807-4289
Federal Supply Class:
5310
National Item Identification Number:
008074289
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:
| 9092606 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| HOLE DIAMETER | 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM | | OVERALL HEIGHT | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A400-69 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | RECESS DEPTH | 0.281 INCHES MINIMUM AND 0.343 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,TY Z,CL 1 OR CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL |
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