5310-00-974-0525 WASHER,FLAT Index 5307-00-974-0535 STUD,SELF-LOCKING

National Stock Number:
5310-00-974-0531

Federal Supply Class:
5310

National Item Identification Number:
009740531

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:
BACW1010AW4AS82918THE BOEING COMPANY
BACW10AW81205THE BOEING COMPANY
BACW10AW4AS82918THE BOEING COMPANY


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OR
QQ-A-250/4,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.270 INCHES MINIMUM AND
0.280 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.521 INCHES MINIMUM AND
0.541 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.028 INCHES MINIMUM AND
0.036 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA81205-BACW10AW MANUFACTURERS STANDARD
THE MANUFACTURERS DATA
MANUFACTURERS CODE81205
DESIGN CONTROL REFERENCEBACW10AW


Click here to Register for Free 30-day Trial