3530-01-452-5980 PRESSER FOOT,SEWING MACHINE Index 5306-01-452-5982 BOLT,SHEAR

National Stock Number:
5310-01-452-5981

Federal Supply Class:
5310

National Item Identification Number:
014525981

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:
1-1/32ID X 2-1/ 2OD X 1/8THK BRD9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
124-1553931 PC 880064NAVAL SHIP SYSTEMS COMMAND
124-1553933 PC 1080064NAVAL SHIP SYSTEMS COMMAND
124-4637387 PC 1753711NAVAL SEA SYSTEMS COMMAND
463738753711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.031 INCHES NOMINAL
OVERALL DIAMETER2.500 INCHES NOMINAL
MATERIALCOPPER ALLOY 260 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.125 INCHES NOMINAL


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