5310-00-584-7985, WASHER,FLAT

National Stock Number:
5310-00-584-7985

Federal Supply Class:
5310

National Item Identification Number:
005847985

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:

701-6938562 SH	53711	NAVAL SEA SYSTEMS COMMAND
MS16212-16	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HOLE DIAMETER	0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM
OVERALL DIAMETER	1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-766 FINISH 2 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 1 OR STEEL COMP 2 OR STEEL COMP 5 OR STEEL COMP 6 OVERALL
MINIMUM TENSILE STRENGTH	50000 POUNDS PER SQUARE INCH
NONDEFINITIVE SPEC/STD DATA	C CLASS AND 1 TYPE
PERIPHERAL SHAPE STYLE	ROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THICKNESS	0.122 INCHES MINIMUM AND 0.177 INCHES MAXIMUM

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