5310-00-471-6453 WASHER Index 5310-00-471-6455 WASHER

National Stock Number:
5310-00-471-6454

Federal Supply Class:
5310

National Item Identification Number:
004716454

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:
30-298-116-06K5294GE AVIATION SYSTEMS LIMITED
99-914-387999995NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION
99-946863499995NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION
99-914-3879INTE9NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION
991400222004K2523EATON LIMITED
SP127DK4975UFC AEROSPACE EUROPE LIMITED
SP127DK7766BRITISH STANDARDS INSTITUTION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING92.0 ROCKWELL C MINIMUM AND 98.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.204 INCHES MINIMUM AND 0.214 INCHES MAXIMUM
OVERALL DIAMETER0.387 INCHES MINIMUM AND 0.407 INCHES MAXIMUM
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM


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