5310-00-526-1323, WASHER,FLAT

National Stock Number:
5310-00-526-1323

Federal Supply Class:
5310

National Item Identification Number:
005261323

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:

100168-222	79318	MEGGITT NORTH HOLLYWOOD INC
543-5613-003	13499	ROCKWELL COLLINS, INC.
MS51496P64	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	0.097 INCHES MINIMUM AND 0.107 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OR QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
PROPRIETARY CHARACTERISTICS	PACS
OVERALL DIAMETER	0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM
SURFACE FINISH	100.0 MICROINCHES ALL SURFACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THICKNESS	0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM

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