5310-00-584-5627, WASHER,FLAT

National Stock Number:
5310-00-584-5627

Federal Supply Class:
5310

National Item Identification Number:
005845627

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:

AN960PD2016L

88044

AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	1.255 INCHES MINIMUM AND 1.275 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/5,ALCLAD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	ALUMINUM ALLOY 2024 OVERALL
NONDEFINITIVE SPEC/STD DATA	A TYPE AND 2 GRADE AND D CLASS
OVERALL DIAMETER	1.995 INCHES MINIMUM AND 2.020 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE	ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-A-8625 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
THICKNESS	0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM

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