4920-00-274-8467 EXTENDER BOARD SET, Index 5310-00-274-8470 WASHER,FLAT

National Stock Number:
5310-00-274-8469

Federal Supply Class:
5310

National Item Identification Number:
002748469

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:
2203208645BRIGGS AND STRATTON CORP
2203289401MID-STATES AUTO ELECTRIC
22032K5261BRIGGS & STRATTON UK LTD


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING45.5 ROCKWELL C MINIMUM AND 57.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.257 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1/2 HARD ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER0.379 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.062 INCHES NOMINAL


Click here to Register for Free 30-day Trial