5310-01-195-9827, WASHER,FLAT

National Stock Number:
5310-01-195-9827

Federal Supply Class:
5310

National Item Identification Number:
011959827

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:

NAS1587-18L

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

MATERIAL	STEEL COMP 321 OR
	STEEL COMP 347 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5510 ASSN STD 1ST MATERIAL RESPONSE OR
	AMS 5512 ASSN STD 2ND MATERIAL RESPONSE OR
	QQ-S-763,COND A FED SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	1.135 INCHES MINIMUM AND
	1.150 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE	ROUND
OVERALL DIAMETER	1.875 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
THICKNESS	0.031 INCHES NOMINAL
SURFACE FINISH	63.0 MICROINCHES TOP
	63.0 MICROINCHES BOTTOM
SPECIFICATION/STANDARD DATA	80205-NAS1587 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MINIMUM TENSILE STRENGTH	75000 POUNDS PER SQUARE INCH
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT

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