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National Stock Number:
5310-00-316-6064
Federal Supply Class:
5310
National Item Identification Number:
003166064
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:
| A51B21014-21 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B21014-21 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B21014-21 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| HOLE DIAMETER | 0.670 INCHES MINIMUM AND 0.680 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.920 INCHES MINIMUM AND 0.980 INCHES MAXIMUM | | OVERALL HEIGHT | 0.050 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059,COMP 301,COND 1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.050 INCHES NOMINAL | | MATERIAL | STEEL COMP 301 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.770 INCHES MINIMUM AND 0.780 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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