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National Stock Number:
5310-01-386-9061
Federal Supply Class:
5310
National Item Identification Number:
013869061
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:
| A51B22006-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B22006-11 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B22006-11 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 1.166 INCHES MINIMUM AND | | 1.181 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.865 INCHES MINIMUM AND | | 1.885 INCHES MAXIMUM | | RECESS DIAMETER | 1.296 INCHES MINIMUM AND | | 1.316 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.078 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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