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National Stock Number:
5310-01-522-7973
Federal Supply Class:
5310
National Item Identification Number:
015227973
Description:
WASHER,FLAT
Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
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Manufacturer Information:
| BACW10BP9D9 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | IRON ALLOY 660 OVERALL | | III MINIMUM TENSILE STRENGTH | 140000 POUNDS PER SQUARE INCH | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, PLAIN | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 0.938 INCHES MINIMUM AND 0.958 INCHES MAXIMUM | | SPECIAL FEATURES | HEAT TREAT TO MINIMUM TENSILE STRENGTH PER AMS-H-6875; SERVICE TEMPERATURE 450.0 DEGREES F; USED ON INBOARD CARRIAGE ASSEMBLY | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.064 INCHES MINIMUM AND 0.078 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.562 INCHES MINIMUM AND 0.573 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
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