5305-12-165-3777 SCREW,MACHINE Index 3110-12-165-4412 BEARING,BALL,ANNULAR

National Stock Number:
5310-12-165-4401

Federal Supply Class:
5310

National Item Identification Number:
121654401

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:
10-5DIN125STB3CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
10-5DIN125STGALCD8MTCCD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
B10,5DIN125-ST-B3CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
B10-5DIN125-ST-B3CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
B10-5DIN125STB3CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
B10-5DIN125STGALCD8MTCCD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN125-B10,5-140HV-B3CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN125-B10,5-ST -B2PD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN125-B10,5-ST -B3PD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN125-B10,5-ST-B2PD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN125-B10,5-ST-B3CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN125-B10,5-ST-B3PD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN125B10-5STB3CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING140,0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 250,0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM
HOLE DIAMETER10,5 MILLIMETERS NOMINAL
MATERIALSTEEL
PERIPHERAL SHAPE STYLEROUND
OUTSIDE LEFT CORNER CHAMFER ANGLE45,0 DEGREES NOMINAL
OVERALL DIAMETER20,0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDIN267/9, SCHLUESSEL B3C
SURFACE TREATMENTCADMIUM AND CHROMATE
TEST DATA DOCUMENTD8286-DIN125 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THICKNESS2,0 MILLIMETERS NOMINAL


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