5310-01-137-7069 WASHER,FLAT Index 5310-01-137-7073 WASHER,FLAT

National Stock Number:
5310-01-137-7072

Federal Supply Class:
5310

National Item Identification Number:
011377072

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:
16737979-01428009SYPRIS ELECTRONICS, LLC
2259-N17106540NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
2259-N1711YGB8CAREY MANUFACTURING CO, INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM
OVERALL DIAMETER0.432 INCHES MINIMUM AND 0.452 INCHES MAXIMUM
MATERIALPLASTIC POLYAMIDE (NYLON) OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM


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