Product Details | FLAT WASHER

5310-01-502-4820 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: 4M3987A, 4M398-7A, 5310-01-502-4820, 01-502-4820, 5310015024820, 015024820

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 07 NOV 2002 01-502-4820

Drawings & Photos | NSN 5310-01-502-4820


Cross Reference | NSN 5310-01-502-4820

Part Number Cage Code Manufacturer
4M398-7A 06970 CABLECRAFT MOTION CONTROLS LLC
4M398-7A 76301 BOEING COMPANY, THE DBA BOEING
4M398-7A 86928 SEASTROM MANUFACTURING CO., INC. DBA SEASTROM MANUFACTURING

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Technical Data | NSN 5310-01-502-4820

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
HOLE DIAMETER 1.255 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 8 OVAL
WIDTH 1.514 INCHES NOMINAL
RADIUS AT SMALL END 1.254 INCHES NOMINAL
RADIUS AT LARGE END 1.514 INCHES NOMINAL
LENGTH 2.011 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 3 DEE
CENTER HOLE WIDTH 1.385 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.030 INCHES NOMINAL
SPECIAL FEATURES SMALLER END OF WASHER IS TABBED BACK 40-50 DEGREES BEGINNING AT 0.880 INCHES FROM WASHER CENTER HOLE
CRITICALITY CODE JUSTIFICATION AGAV
III END ITEM IDENTIFICATION F/A-18E AIRCRAFT
III PART NAME ASSIGNED BY CONTROLLING AGENCY (INAVY) WASHER, TAB--SAFETY WIRE

Restrictions/Controls & Freight Information | NSN 5310-01-502-4820

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:AItem does not contain precious metal
Criticality Code:YThe item does not have a nuclear hardened feature but does have other critical feature(s) 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
NMF Description 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating
Less than truck load rating U 50.0
Water commodity Code 713 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5310-01-502-4820

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDQEFIGHTERAIRCRAFT-FIRST(F18 E/F)
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Y
EA : Each