Product Details | FLAT WASHER

5310-00-178-0565 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: S81537030C, S8153-7-030C, 5310-00-178-0565, 00-178-0565, 5310001780565, 001780565

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 24-FEB-73 00-178-0565

Drawings & Photos | NSN 5310-00-178-0565


Cross Reference | NSN 5310-00-178-0565

Part Number Cage Code Manufacturer
S8153-7-030C 70210 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL

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Technical Data | NSN 5310-00-178-0565

Characteristic Specifications
MATERIAL STEEL OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-7952 MIL SPEC 1ST MATERIAL RESPONSE AND QQ-S-698 COND CR,T2 FED SPEC 2ND MATERIAL RESPONSE AND QQ-S-698 COND CR,T2 FED SPEC 3RD MATERIAL RESPONSE AND QQ-S-698 COND CR,T2 FED SPEC 4TH MATERIAL RESPONSE AND QQ-S-698 COND CR,T2 FED SPEC 5TH MATERIAL RESPONSE AND QQ-S-698 COND CR,T2 FED SPEC 6TH MATERIAL RESPONSE AND QQ-S-698 COND CR,T2 FED SPEC 7TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER 0.193 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.030 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-00-178-0565

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information