5310-01-309-7742 WASHER,FLAT Index 5310-01-309-7744 WASHER,LOCK

National Stock Number:
5310-01-309-7743

Federal Supply Class:
5310

National Item Identification Number:
013097743

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:
18652631361WOODWARD, INC.
S2431218-10D14-288277THE BOEING COMPANY
S2431218-10D14-F88277THE BOEING COMPANY


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 AND
ALUMINUM ALLOY 1230 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.641 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.870 INCHES MINIMUM AND
0.895 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.032 INCHES NOMINAL


Click here to Register for Free 30-day Trial