5310-01-270-8380, WASHER,FLAT

National Stock Number:
5310-01-270-8380

Federal Supply Class:
5310

National Item Identification Number:
012708380

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:

90126A035	39428	MCMASTER-CARR SUPPLY CO
AEW26X62N000EA1M21	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
MC950001-14	81205	THE BOEING COMPANY

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.649 INCHES MINIMUM AND 0.686 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM F844 UNS G10050,060,080,090,10100,110,120,130,150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1110 OR STEEL COMP 1120 OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCY	WASHER,TYPE B PLAIN WASHER;ZINC-PLATED STEEL SAE WASHER
PERIPHERAL SHAPE STYLE	ROUND
PROPRIETARY CHARACTERISTICS	PACS
OVERALL DIAMETER	1.305 INCHES MINIMUM AND 1.342 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA	05047-ASME B18.24-2015 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM F2329,HOT DIP ZINC ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC OVERALL
THICKNESS	0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM

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