Product Details | FLAT WASHER

5310-00-489-3843 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.

Part Alternates: 5310-00-489-3843, 00-489-3843, 5310004893843, 004893843

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 00-489-3843

Drawings & Photos | NSN 5310-00-489-3843


Cross Reference | NSN 5310-00-489-3843

Part Number Cage Code Manufacturer
30546-1 14058 DEWEY ELECTRONICS CORPORATION, THE
U531940 78943 TRIUMPH THERMAL SYSTEMS, INC.

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Technical Data | NSN 5310-00-489-3843

Characteristic Specifications
MATERIAL PLASTIC POLYAMIDE OVERALL
HOLE DIAMETER 0.125 INCHES MINIMUM AND 0.155 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.355 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM
MANUFACTURERS CODE 78943
DESIGN CONTROL REFERENCE U531940

Restrictions/Controls & Freight Information | NSN 5310-00-489-3843

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information