8430-01-563-6164 BOOTS,COLD WEATHER Index 5340-01-563-6166 STANDOFF,THREADED,SPACING

National Stock Number:
5310-01-563-6165

Federal Supply Class:
5310

National Item Identification Number:
015636165

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:
NASM15795-8183A054MCMASTER-CARR SUPPLY CO


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
HARDNESS RATING70.0 ROCKWELL B NOMINAL
HOLE DIAMETER0.531 INCHES NOMINAL
OVERALL DIAMETER1.062 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESMATERIAL IS STAINLESS STEEL


Click here to Register for Free 30-day Trial