5310-14-389-8783, WASHER,FLAT

National Stock Number:
5310-14-389-8783

Federal Supply Class:
5310

National Item Identification Number:
143898783

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:

33489AE079LE

F6117

DASSAULT AVIATION

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	8.10 MILLIMETERS MINIMUM AND 8.25 MILLIMETERS MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	NF A 35-501 NATIONAL SPEC 1ST MATERIAL RESPONSE OVERALL OR NF A 35-551 NATIONAL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP A50 OVERALL OR STEEL COMP XC32 OVERALL
III MINIMUM TENSILE STRENGTH	560 NEWTONS PER SQUARE MILLIMETER
PERIPHERAL SHAPE STYLE	ROUND
OVERALL DIAMETER	16.785 MILLIMETERS MINIMUM AND 17.215 MILLIMETERS MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NF L 09-753 CODE LE NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL AND CHROMATE OVERALL
THICKNESS	1.5 MILLIMETERS NOMINAL

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