5305-00-453-1902 SCREW,SPECIAL Index 5940-00-453-1904 TERMINAL,LUG

National Stock Number:
5310-00-453-1903

Federal Supply Class:
5310

National Item Identification Number:
004531903

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:
21171-027U1605HONEYWELL AEROSPACE YEOVIL
C0M5740-7U1605HONEYWELL AEROSPACE YEOVIL
SP27AK4060G K N KINGS NORTON LTD
SP27AK7766BRITISH STANDARDS INSTITUTION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.118 INCHES MINIMUM AND 0.123 INCHES MAXIMUM
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER0.228 INCHES MINIMUM AND 0.233 INCHES MAXIMUM
THICKNESS0.024 INCHES NOMINAL


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