5340-01-265-6332 STANDOFF,THREADED,SPACING Index 5340-01-265-6334 STANDOFF,THREADED,SPACING

National Stock Number:
5310-01-265-6333

Federal Supply Class:
5310

National Item Identification Number:
012656333

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:
6876455355EMCOR ENCLOSURES LLC
7V44711083CATERPILLAR INC
AEW23X10N000BD8AA105047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
AS07-0586A01PJSE ZORIA-MASHPROEKT
B1822BH100N80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
HOLE DIAMETER10.850 MILLIMETERS MINIMUM AND 11.120 MILLIMETERS MAXIMUM
OVERALL DIAMETER19.48 MILLIMETERS MINIMUM AND 20.00 MILLIMETERS MAXIMUM
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633,TY 2,CL 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC AND CHROMATE OVERALL
THICKNESS1.60 MILLIMETERS MINIMUM AND 2.30 MILLIMETERS MAXIMUM


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