5310-01-031-4423 WASHER,FLAT Index 5310-01-031-4426 WASHER,RECESSED

National Stock Number:
5310-01-031-4424

Federal Supply Class:
5310

National Item Identification Number:
010314424

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:
324 254121340ITT TELECOM PRODUCTS CORP NETWORK SYSTEMS DIV
330 140581495KOEHRING CRANES INC DBA TEREX CRANES DIV WAVERLY OPERATIONS
330V10000LRM3TEREX USA, LLC
8105571LW55BORGWARNER PDS (ANDERSON), L.L.C.
330 14058E499KOEHRING CRANES AND EXCAVATORS INC SUB OF NORTHWEST ENGINEERING CO


Techincal Specification:
MATERIALSTEEL COMP 1060 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTZINC AND
DICHROMATE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.258 INCHES MINIMUM AND
0.268 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.562 INCHES MINIMUM AND
0.572 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.050 INCHES MINIMUM AND
0.065 INCHES MAXIMUM
COLORYELLOW OVERALL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND
53.0 ROCKWELL C MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE0LRM3
DESIGN CONTROL REFERENCE330V1000


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