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National Stock Number:
5310-01-232-4272
Federal Supply Class:
5310
National Item Identification Number:
012324272
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:
| A51B27627-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B27627-11 | 2G432 | KRUG PRECISION INC | | A51B27627-11 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B27627-11 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.315 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.125 INCHES NOMINAL | | MATERIAL | STEEL COMP XM-12 OVERALL | | III MINIMUM TENSILE STRENGTH | 155000 POUNDS PER SQUARE INCH | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 0.750 INCHES NOMINAL | | RECESS ANGLE | 100.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.474 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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