5310-00-638-9175, WASHER,FLAT

National Stock Number:
5310-00-638-9175

Federal Supply Class:
5310

National Item Identification Number:
006389175

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:

S8157B247-020A	70210	HONEYWELL INTERNATIONAL INC.
S8157B247-020A	72599	ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO
S8157B247-020A	99193	HONEYWELL INTERNATIONAL INC.

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM
OVERALL DIAMETER	1.465 INCHES MINIMUM AND 1.975 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/4 T4 COND T FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	ALUMINUM ALLOY 2024 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5547 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ANODIZE OR CHROMATE OVERALL
THICKNESS	0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM

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