5310-01-031-0776 WASHER,FLAT Index 5310-01-031-0778 WASHER,FLAT

National Stock Number:
5310-01-031-0777

Federal Supply Class:
5310

National Item Identification Number:
010310777

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:
1464-576097-43H889PARKER-HANNIFIN CORPORATION
1464-576097-492003PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.500 INCHES NOMINAL
OVERALL DIAMETER0.742 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONF59-2,FSCM 92003 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.0595 INCHES MINIMUM AND 0.0655 INCHES MAXIMUM


Click here to Register for Free 30-day Trial