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National Stock Number:
5310-01-209-7987
Federal Supply Class:
5310
National Item Identification Number:
012097987
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:
| A02D2309-1 | 77272 | THE BOEING COMPANY |
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Techincal Specification:
| HOLE DIAMETER | 0.441 INCHES MINIMUM AND 0.451 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.095 INCHES MINIMUM AND 0.115 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4130 OVERALL OR STEEL COMP E4340 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | OUTSIDE DIAMETER | 0.951 INCHES MINIMUM AND 0.971 INCHES MAXIMUM | | RECESS ANGLE | 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM | | RECESS DIAMETER | 0.543 INCHES MINIMUM AND 0.557 INCHES MAXIMUM | | SPECIAL FEATURES | CHAMFER OUTSIDE LEFT CORNER 0.030 IN. MIN,0.050 IN. MAX BY 43 DEG MIN,47 DEG MAX | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BAC 5701,FSCM 77272 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL |
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