5310-00-148-8887 WASHER,FLAT Index 1560-00-148-8889 PAD,FAIRING

National Stock Number:
5310-00-148-8888

Federal Supply Class:
5310

National Item Identification Number:
001488888

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:
39462606848HONEYWELL INTERNATIONAL INC
3946263VPW3PRECISION ENGINES LLC
39462665702PRECISION AIRMOTIVE LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM
OVERALL DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4003 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2470 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THICKNESS0.048 INCHES MINIMUM AND 0.054 INCHES MAXIMUM


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