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National Stock Number: 5310-99-603-4910
Federal Supply Class: 5310
National Item Identification Number: 996034910
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:
F272423 | K0289 | BRITISH AEROSPACE MILITARY AIRCRAFT & AEROSTRUCTURES | F272423 | K1987 | BAE SYSTEMS PLC | F272423 | U9143 | BAE SYSTEMS (OPERATIONS) LIMITED |
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Techincal Specification:
SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL | CRITICALITY CODE JUSTIFICATION | AAUB | HOLE DIAMETER | 0.4531 INCHES NOMINAL | MATERIAL DOCUMENT AND CLASSIFICATION | BS S95, COND B NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL | MATERIAL THICKNESS | 0.150 INCHES NOMINAL | MATERIAL | STEEL OVERALL | OUTSIDE DIAMETER | 1.100 INCHES NOMINAL | OVERALL HEIGHT | 0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM | RECESS DEPTH | 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM | STYLE DESIGNATOR | RECESSED | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DTD 904 MIL STD 2ND TREATMENT RESPONSE OVERALL |
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