2510-00-089-0347 CATCH Index 5310-00-089-0358 WASHER,FLAT

National Stock Number:
5310-00-089-0356

Federal Supply Class:
5310

National Item Identification Number:
000890356

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:
2256-PH14106540NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
2256-PH1411YGB8CAREY MANUFACTURING CO, INC
3430F172653GC/WALDOM INC
4916072-0061617UNISYS CORP HARDWARE PRODUCTS MFG DIV
7836N00194WALSCO ELECTRONICS CORP
7836N72653GC/WALDOM INC
900065-0103956NORTHROP GRUMMAN SYSTEMS CORPORATION
900065-0190536LOCKHEED MARTIN CORP


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.140 INCHES NOMINAL
OVERALL DIAMETER0.313 INCHES NOMINAL
MATERIALPLASTIC OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.031 INCHES NOMINAL


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