5310-01-398-6362, WASHER,FLAT

National Stock Number:
5310-01-398-6362

Federal Supply Class:
5310

National Item Identification Number:
013986362

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:

1A8648

77445

RTX CORPORATION

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HOLE DIAMETER	0.230 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5613 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 5604 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 410 OVERALL OR STEEL COMP 630 OVERALL
PERIPHERAL SHAPE STYLE	ROUND
PROPRIETARY CHARACTERISTICS	PACS
OVERALL DIAMETER	0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	NICKEL OVERALL AND CADMIUM OVERALL
THICKNESS	0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM

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