5310-01-040-2109 NUT,PLAIN,HEXAGON Index 5331-01-040-2113 O-RING

National Stock Number:
5310-01-040-2110

Federal Supply Class:
5310

National Item Identification Number:
010402110

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:
310-0035-00013499ROCKWELL COLLINS, INC.
310-0035-00079807WROUGHT WASHER MFG., INC.
310-0035-00095105ROCKWELL COLLINS, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM
OVERALL DIAMETER0.432 INCHES MINIMUM AND 0.444 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM


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