5310-00-891-1804 NUT,PLAIN,HEXAGON Index 5320-00-891-1813 RIVET,SOLID

National Stock Number:
5310-00-891-1805

Federal Supply Class:
5310

National Item Identification Number:
008911805

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.


Manufacturer Information:
91-BS-78505-1A13940MORITO SCOVILL AMERICAS, LLC
BACW10BD177272THE BOEING COMPANY


Techincal Specification:
CENTER HOLE LENGTH0.660 INCHES NOMINAL
CENTER HOLE SHAPE STYLEELLIPTICAL
CENTER HOLE WIDTH0.410 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
INSIDE RADIUS0.156 INCHES NOMINAL
LENGTH1.010 INCHES NOMINAL
OUTSIDE RADIUS0.375 INCHES NOMINAL
MATERIALCOPPER ALLOY OVERALL
PERIPHERAL SHAPE STYLEELLIPTICAL
SPECIFICATION/STANDARD DATA81205-BACW10BD MANUFACTURERS STANDARD
WIDTH0.770 INCHES NOMINAL
SURFACE TREATMENTNICKEL OVERALL
THICKNESS0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM


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