5305-01-492-0010 SCREW,DRIVE Index 4730-01-492-0012 ELBOW,PIPE

National Stock Number:
5310-01-492-0011

Federal Supply Class:
5310

National Item Identification Number:
014920011

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:
189992753711NAVAL SEA SYSTEMS COMMAND
CVAN65-703-1899927 P/N 4653711NAVAL SEA SYSTEMS COMMAND
CVAN65-703-1899928 P/N 3253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.188 INCHES NOMINAL
OVERALL DIAMETER2.500 INCHES NOMINAL
MATERIALCOPPER ALLOY OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
THICKNESS0.109 INCHES NOMINAL


Click here to Register for Free 30-day Trial