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National Stock Number:
5310-01-522-7975
Federal Supply Class:
5310
National Item Identification Number:
015227975
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:
| BACW10BP4NDP | 10630 | ANILLO INDUSTRIES INC | | BACW10BP4NDP | 56878 | SPS TECHNOLOGIES, LLC | | BACW10BP4NDP | 58009 | MOELLER MANUFACTURING & SUPPLY, LLC | | BACW10BP4NDP | 6F140 | COMPONENT PRODUCTS CORPORATION | | BACW10BP4NDP | 81205 | THE BOEING COMPANY | | BACW10BP4NDP | Z03F0 | BOEING DEFENCE AUSTRALIA LTD | | BACW10BP4NDP | Z8T75 | BOEING DEFENCE AUSTRALIA LTD | | NTA11551-4NDP | A0170 | LEONARDO SPA AEROSTRUCTURE DIVISION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.250 INCHES MINIMUM AND 0.261 INCHES MAXIMUM | | OVERALL DIAMETER | 0.475 INCHES MINIMUM AND 0.495 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 660 OVERALL | | MINIMUM TENSILE STRENGTH | 140000 POUNDS PER SQUARE INCH | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, PLAIN | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | HEAT TREAT TO MINIMUM TENSILE STRENGTH PER AMS-H-6875; SERVICE TEMPERATURE 450.0 DEGREES F; USED ON TRANSMISSION INSTALLATION-INBOARD T.E. FLAP DRIVE OUTBOARD (INBOARD T.E. FLAP TRANSMISSIONS ONLY) | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.012 INCHES MINIMUM AND 0.020 INCHES MAXIMUM |
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