5306-21-878-0567 PIN,SHOULDER,HEADLESS Index 4920-21-878-3552 ADAPTER,PRESSURE TEST,FLUSH STAT

National Stock Number:
5310-21-878-0740

Federal Supply Class:
5310

National Item Identification Number:
218780740

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:
162-39595119PAULIN H AND CO LTD A DIVISION OF THE HILLMAN GROUP CANADA ULC
233394223SPAENAUR INC DBA SPAENAUR INC.
4168052203PREMIER INDUSTRIAL CORP PREMIER FASTENER DIV
W9595119PAULIN H AND CO LTD A DIVISION OF THE HILLMAN GROUP CANADA ULC


Techincal Specification:
HOLE DIAMETER0.265 INCHES NOMINAL
MATERIALSTEEL OVERALL
OVERALL DIAMETER1.250 INCHES NOMINAL
SURFACE TREATMENTZINC OVERALL
THICKNESS0.065 INCHES NOMINAL


Click here to Register for Free 30-day Trial