5310-01-210-3881 WASHER,FLAT Index 5310-01-210-3883 WASHER,FLAT

National Stock Number:
5310-01-210-3882

Federal Supply Class:
5310

National Item Identification Number:
012103882

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:
SP890-5058R3GE AVIATION SYSTEMS LLC
SP890-519623GE AVIATION SYSTEMS LLC
SP890-593366GE AVIATION SYSTEMS LLC
SP890-5K0654SAFRAN LANDING SYSTEMS UK LTD
SP890-5U7388TRIUMPH AEROSPACE OPERATIONS UK, LTD.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.271 INCHES MINIMUM AND 0.289 INCHES MAXIMUM
OVERALL DIAMETER0.438 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONACCR 190,FSCM 93366 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER SYNTHETIC OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM


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