Product Details | THRUST WASHER BEARING

3120-00-708-4027 An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also WASHER, FLAT and SPACER, SLEEVE.

Part Alternates: 7084027, 8613308, 3120-00-708-4027, 00-708-4027, 3120007084027, 007084027

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 01 JAN 1963 00-708-4027

Drawings & Photos | NSN 3120-00-708-4027


Cross Reference | NSN 3120-00-708-4027

Part Number Cage Code Manufacturer
7084027 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
8613308 24617 GENERAL MOTORS CORP
8613308 72590 HYDRAMATIC DIV OF GENERAL MOTORS CORP

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Technical Data | NSN 3120-00-708-4027

Characteristic Specifications
MATERIAL COPPER ALLOY 411 OVERALL
HARDNESS RATING 60.0 ROCKWELL B NOMINAL OVERALL
STYLE DESIGNATOR 23 ROUND
OUTSIDE DIAMETER 1.9100 INCHES MINIMUM AND 1.9170 INCHES MAXIMUM
CORNER SHAPE SQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLE 35 RECTANGULAR
OVERALL THICKNESS 0.0880 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 54 ROUND W/ROUND KEYWAYS
MAJOR DIAMETER 1.4700 INCHES NOMINAL
MINOR DIAMETER 1.3770 INCHES MINIMUM AND 1.3840 INCHES MAXIMUM
CENTER HOLE KEYWAY RADIUS 0.1562 INCHES NOMINAL
CENTER HOLE KEYWAY QUANTITY 4
LUBRICATION MATERIAL LUBRICATING OIL
LUBRICATION FEATURE GROOVE FLAT BEARING SURFACE

Restrictions/Controls & Freight Information | NSN 3120-00-708-4027

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 194120 WASHERS/GASKETS/PCKG DVCS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 596 unknown
Originating Activity Code XX
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 3120-00-708-4027

Category Code Description
Cognizance Codes9ZNavy-owned stocks of defense industrial material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9IDefense Industrial Supply Center
Philadelphia, PA 19111
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