Product Details | FLAT WASHER

5310-01-644-7932 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: 3392AS1526 , 5310-01-644-7932, 01-644-7932, 5310016447932, 016447932

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 2015140 01-644-7932

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Technical Data | NSN 5310-01-644-7932

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT OXIDE OVERALL
COLOR BLACK OVERALL
HARDNESS RATING 40.0 ROCKWELL A NOMINAL
HOLE DIAMETER 0.626 MILLIMETERS NOMINAL
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER 1.875 INCHES NOMINAL
CENTER HOLE SHAPE STYLE ROUND
THICKNESS 0.188 INCHES NOMINAL
SPECIAL FEATURES NEXT HIGHER ASSEMBLY 3392AS1517;USED ON AA49E-27, H60S;ALL TANGENT RAD II AND EDGES TO BE SMOOTH AND CONTINUOUS
III END ITEM IDENTIFICATION AA49E-27, H60S
III PART NAME ASSIGNED BY CONTROLLING AGENCY WASHER, FLAT

Restrictions/Controls & Freight Information | NSN 5310-01-644-7932

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
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information

Management | NSN 5310-01-644-7932

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative