5310-01-166-5308 WASHER,FLAT Index 5340-01-166-5310 CAP,PROTECTIVE,DUST AND MOISTURE

National Stock Number:
5310-01-166-5309

Federal Supply Class:
5310

National Item Identification Number:
011665309

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:
10475320A486GNIMIKKEISTOKESKUS NCB FINLAND
4536923-001S3465BAE SYSTEMS HAGGLUNDS AB
92753-991076M6BAE SYSTEMS LAND & ARMAMENTS L.P.
92753-9910BAT5U.S. DEFENSE SERVICES, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING450.0 BRINELL HULTGREN MINIMUM AND 500.0 BRINELL HULTGREN MAXIMUM
HOLE DIAMETER16.5 MILLIMETERS NOMINAL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER42.5 MILLIMETERS MINIMUM AND 43.5 MILLIMETERS MAXIMUM
SPECIAL FEATURESUSED ON 2350-01-132-9099
THICKNESS7.0 MILLIMETERS NOMINAL


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