Product Details | RECESSED WASHER

5310-00-143-6210 A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.

Part Alternates: NAS1069C3, 5310-00-143-6210, 00-143-6210, 5310001436210, 001436210

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 18 OCT 1968 00-143-6210

Cross Reference | NSN 5310-00-143-6210

Part Number Cage Code Manufacturer
NAS1069C3 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5310-00-143-6210

Characteristic Specifications
MATERIAL STEEL COMP 4140
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE
HARDNESS RATING NOT RATED
HOLE DIAMETER 0.190 INCHES MINIMUM AND 0.194 INCHES MAXIMUM
OUTSIDE DIAMETER 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
RECESS DIAMETER 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
MATERIAL THICKNESS 0.078 INCHES MINIMUM AND 0.084 INCHES MAXIMUM
RECESS ANGLE 90.0 DEGREES NOMINAL
SURFACE FINISH 63.0 MICROINCHES ALL SURFACES
III HEAT TREATMENT AS FABRICATED
III MINIMUM TENSILE STRENGTH 180000 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 5310-00-143-6210

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
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 KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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 5310-00-143-6210

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 CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each