5310-01-568-5998, WASHER,FLAT

National Stock Number:
5310-01-568-5998

Federal Supply Class:
5310

National Item Identification Number:
015685998

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:

3688814C1L	338X5	ND DEFENSE LLC
3688814C2	338X5	ND DEFENSE LLC
3688814C2L	338X5	ND DEFENSE LLC

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	44.2 MILLIMETERS MINIMUM AND 44.7 MILLIMETERS MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	CEMS C-10, T6 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	ALUMINUM ALLOY 6061 OVERALL
III HEAT TREATMENT	T-6 SOLUTION HEAT TREATED, ARTIFICALLY AGED
III PART NAME ASSIGNED BY CONTROLLING AGENCY	SPACER, DOOR EFFECTOR BOX MOUNTING
PERIPHERAL SHAPE STYLE	ROUND
PROPRIETARY CHARACTERISTICS	PACS
OVERALL DIAMETER	102.0 MILLIMETERS MINIMUM AND 104.0 MILLIMETERS MAXIMUM
SPECIAL FEATURES	COLOR IS TAN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-DTL-53072C MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PAINT OVERALL
THICKNESS	22.3 MILLIMETERS NOMINAL

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