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National Stock Number:
5310-01-465-0112
Federal Supply Class:
5310
National Item Identification Number:
014650112
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:
| BACW10BN32P | 08073 | MAMCO MFG CO INC | | BACW10BN32P | 09772 | WEST COAST LOCKWASHER CO., INC. | | BACW10BN32P | 10630 | ANILLO INDUSTRIES LLC | | BACW10BN32P | 56878 | SPS TECHNOLOGIES, LLC | | BACW10BN32P | 58009 | MOELLER MANUFACTURING & SUPPLY, LLC | | BACW10BN32P | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-1872 MIL SPEC 1ST MATERIAL RESPONSE OR | | MIL-S-18728 MIL SPEC 2ND MATERIAL RESPONSE OR | | AMS 6357 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.219 INCHES MINIMUM AND | | 0.230 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.468 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.057 INCHES MINIMUM AND | | 0.069 INCHES MAXIMUM | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM |
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