5310-01-181-7495, WASHER,FLAT

National Stock Number:
5310-01-181-7495

Federal Supply Class:
5310

National Item Identification Number:
011817495

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:

BACW10P208S

81205

THE BOEING COMPANY

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM
OVERALL DIAMETER	0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7952 MIL SPEC 1ST MATERIAL RESPONSE OR ASTM A568 HALF HARD OR FULL HARD FED SPEC 2ND MATERIAL RESPONSE OR SAE J403 ASSN STD 3RD MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
SPECIFICATION/STANDARD DATA	81205-BACW10P MANUFACTURERS STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 1 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THICKNESS	0.016 INCHES NOMINAL

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