5330-12-164-6451 GASKET Index 5310-12-164-6571 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5310-12-164-6520

Federal Supply Class:
5310

National Item Identification Number:
121646520

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:
3553540362D8046DAIMLER AG
81.90711-0640D3273MAN TRUCK & BUS AG
81907110640D3273MAN TRUCK & BUS AG


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING58,0 ROCKWELL C MINIMUM AND 62,0 ROCKWELL C MAXIMUM
HOLE DIAMETER61,0 MILLIMETERS NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONDIN17210 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTAHL 1.7015
THICKNESS3,9 MILLIMETERS MINIMUM AND 4,0 MILLIMETERS MAXIMUM


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