5310-00-902-1756 WASHER,FLAT Index 5310-00-902-1758 WASHER,FLAT

National Stock Number:
5310-00-902-1757

Federal Supply Class:
5310

National Item Identification Number:
009021757

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:
LS5984C3M98897LOCKHEED MARTIN CORP


Techincal Specification:
MATERIALSTEEL COMP 8617 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.195 INCHES MINIMUM AND
0.205 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.325 INCHES MINIMUM AND
0.335 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.028 INCHES MINIMUM AND
0.036 INCHES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE98897
DESIGN CONTROL REFERENCELS5984C3M


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