Product Details | THRUST WASHER BEARING

3120-00-661-3281 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: S1423B, SG2218, SG2368PC28, SG2370PC28, SG2490PC28, SK581596646PC28, SK58159-664-6PC28, 47003107471PC28, 4700-3107471PC28, 5642200936811ALT1PC28, 564-2200-936811ALT1PC28, 5642200936813ALT1PC28, 564-2200-936813ALT1PC28, 3120-00-661-3281, 00-661-3281, 3120006613281, 006613281

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 01 JAN 1963 00-661-3281

Drawings & Photos | NSN 3120-00-661-3281


Cross Reference | NSN 3120-00-661-3281

Part Number Cage Code Manufacturer
4700-3107471PC28 80064 NAVAL SHIP SYSTEMS COMMAND
564-2200-936811ALT1PC28 80064 NAVAL SHIP SYSTEMS COMMAND
564-2200-936813ALT1PC28 80064 NAVAL SHIP SYSTEMS COMMAND
S1423B 16712 SIEMENS DEMAG DELAVAL TURBOMACHINERY, INC.
S1423B 59180 IMO INDUSTRIES INC. DBA IMO PUMP DIVISION
SG2218 16712 SIEMENS DEMAG DELAVAL TURBOMACHINERY, INC.
SG2218 59180 IMO INDUSTRIES INC. DBA IMO PUMP DIVISION
SG2368PC28 16712 SIEMENS DEMAG DELAVAL TURBOMACHINERY, INC.
SG2368PC28 59180 IMO INDUSTRIES INC. DBA IMO PUMP DIVISION
SG2370PC28 16712 SIEMENS DEMAG DELAVAL TURBOMACHINERY, INC.
SG2370PC28 59180 IMO INDUSTRIES INC. DBA IMO PUMP DIVISION
SG2490PC28 16712 SIEMENS DEMAG DELAVAL TURBOMACHINERY, INC.
SG2490PC28 59180 IMO INDUSTRIES INC. DBA IMO PUMP DIVISION
SK58159-664-6PC28 24446 GENERAL ELECTRIC CO

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Technical Data | NSN 3120-00-661-3281

Characteristic Specifications
STYLE DESIGNATOR 23 ROUND
OUTSIDE DIAMETER 2.2400 INCHES MINIMUM AND 2.2450 INCHES MAXIMUM
CORNER SHAPE SQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLE 35 RECTANGULAR
OVERALL THICKNESS 0.2975 INCHES MINIMUM AND 0.3275 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 42 ROUND
DIAMETER 1.0310 INCHES MINIMUM AND 1.0360 INCHES MAXIMUM
SPECIAL FEATURES FOUR GROOVES ON BEARING SIDE

Restrictions/Controls & Freight Information | NSN 3120-00-661-3281

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

Management | NSN 3120-00-661-3281

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 CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each