5310-01-276-1658 WASHER,FLAT Index 5310-01-276-1660 WASHER,FLAT

National Stock Number:
5310-01-276-1659

Federal Supply Class:
5310

National Item Identification Number:
012761659

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:
513-5359573 DETAIL 24F53711NAVAL SEA SYSTEMS COMMAND
513-5359573 PIECE 1353711NAVAL SEA SYSTEMS COMMAND
513-5359573 PIECE 1381316PORTSMOUTH NAVAL SHIPYARD


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.410 INCHES NOMINAL
OVERALL DIAMETER1.120 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108,GRADE 1018 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1018 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESMADE FROM NSN 9510-00-287-9403
THICKNESS0.120 INCHES NOMINAL


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