5180-01-477-7758 TOOL KIT,AIRCRAFT MAINTENANCE Index 1560-01-477-7760 PANEL,STRUCTURAL,AIRCRAFT

National Stock Number:
5310-01-477-7759

Federal Supply Class:
5310

National Item Identification Number:
014777759

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:
012-00108326916NORTHROP GRUMMAN SYSTEMS CORPORATION
012-001083-00126916NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.088 INCHES NOMINAL
MATERIALSTEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER0.156 INCHES NOMINAL
SPECIAL FEATURESMANUFACTURER NOMENCLATURE IS SHIM; PASSIVATED FINISH
THICKNESS0.005 INCHES NOMINAL


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