5310-01-078-2984 WASHER,FLAT Index 5310-01-078-2988 WASHER,FLAT

National Stock Number:
5310-01-078-2985

Federal Supply Class:
5310

National Item Identification Number:
010782985

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:
S8157N152-025G59364HONEYWELL INTERNATIONAL INC.
S8157N152-025G70210HONEYWELL INTERNATIONAL INC.
S8157N152-025G99193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.313 INCHES MINIMUM AND 0.318 INCHES MAXIMUM
OVERALL DIAMETER0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
MATERIALSTEEL COMP 321 OR STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OR STEEL COMP 303 OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESDRY FILM LUBRICANT EMS 242 TY 1 CAGEC 70210
THICKNESS0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM


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