5310-01-013-4423 WASHER,KEY Index 5310-01-013-4425 WASHER,FLAT

National Stock Number:
5310-01-013-4424

Federal Supply Class:
5310

National Item Identification Number:
010134424

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:
19084-102121GOODRICH AEROSPACE CANADA LTD.
19084-126512NORTHROP GRUMMAN SYSTEMS CORPORATION
19084-177751NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND W/FLATS
CRITICALITY CODE JUSTIFICATIONAGAV
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER2.130 INCHES MINIMUM AND 2.145 INCHES MAXIMUM
HOLE WIDTH ACROSS FLATS1.915 INCHES MINIMUM AND 1.920 INCHES MAXIMUM
OVERALL DIAMETER2.875 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 630 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.155 INCHES MINIMUM AND 0.165 INCHES MAXIMUM


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