5940-01-517-7738 TERMINAL,LUG Index 5310-01-517-7740 NUT,SELF-LOCKING,CASTELLATED,HEX

National Stock Number:
5310-01-517-7739

Federal Supply Class:
5310

National Item Identification Number:
015177739

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:
596-7410504-1953711NAVAL SEA SYSTEMS COMMAND
596-7410506-2953711NAVAL SEA SYSTEMS COMMAND
741050653711NAVAL SEA SYSTEMS COMMAND
B434-5217-1996169ELECTRIC BOAT CORPORATION
B434-5219-2996169ELECTRIC BOAT CORPORATION
B4345219A-2996169ELECTRIC BOAT CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER2.063 INCHES NOMINAL
OVERALL DIAMETER3.620 INCHES NOMINAL
MATERIALPLASTIC OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.750 INCHES NOMINAL


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