5310-01-174-8977 NUT,SELF-LOCKING,CLINCH Index 5310-01-174-8979 WASHER,FLAT

National Stock Number:
5310-01-174-8978

Federal Supply Class:
5310

National Item Identification Number:
011748978

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:
9524M23P0107482GENERAL ELECTRIC COMPANY
9524M23P0165445TSI PLASTICS, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CRITICALITY CODE JUSTIFICATIONFEAT
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.585 INCHES MINIMUM AND 0.595 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION4203 SERIES,GEN.ELEC. ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER0.780 INCHES MINIMUM AND 0.810 INCHES MAXIMUM
MATERIALPLASTIC POLYAMIDE (NYLON) OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESTHIS IS A CRITICAL APPLICATION ITEM
THICKNESS0.0385 INCHES MINIMUM AND 0.0415 INCHES MAXIMUM


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