Product Details | GEAR CLUSTER

3020-00-345-2666 A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see GEARSHAFT (as modified). Excludes GEAR SUBASSEMBLY, SPEED DECREASER.

Part Alternates: 139B6837, 139C6837, 139C683713, 139C6837-13, 3020-00-345-2666, 00-345-2666, 3020003452666, 003452666

Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain

Supply Group (FSG) NSN Assign. NIIN
30 09 JAN 1974 00-345-2666

Drawings & Photos | NSN 3020-00-345-2666


Demand History | NSN 3020-00-345-2666

Part Number Request Date QTY Origin
3020-00-345-2666 2011-09-265 6 DIBBS

Cross Reference | NSN 3020-00-345-2666

Part Number Cage Code Manufacturer
139B6837 26420 ASTRO GEAR AND INSTRUMENT CO INC
139C6837 05606 GENERAL DYNAMICS-OTS, INC. DBA GD-OTS (WILLISTON)
139C6837 26420 ASTRO GEAR AND INSTRUMENT CO INC
139C6837-13 05606 GENERAL DYNAMICS-OTS, INC. DBA GD-OTS (WILLISTON)

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Technical Data | NSN 3020-00-345-2666

Characteristic Specifications
MATERIAL STEEL OVERALL
SURFACE TREATMENT OXIDE OVERALL
CONSTRUCTION ASSEMBLED
DESIGN TYPE SPUR ALL GEARS
NOMINAL OUTSIDE DIAMETER 2.453 INCHES FIRST GEAR 2.500 INCHES SECOND GEAR 2.500 INCHES THIRD GEAR
NOMINAL OVERALL LENGTH 1.297 INCHES
BORE STYLE 17 W/COUNTERBORE BOTH ENDS
BORE NOMINAL DIAMETER 0.594 INCHES BOTH ENDS
COUNTERBORE NOMINAL DEPTH 0.891 INCHES SECOND END
COUNTERBORE NOMINAL DIAMETER 1.031 INCHES SECOND END
HUB STYLE DESIGNATOR 1 PLAIN FIRST END 1 PLAIN BETWEEN FIRST AND SECOND GEAR 1 PLAIN BETWEEN SECOND AND THIRD GEAR
HUB NOMINAL LENGTH 0.156 INCHES FIRST END 0.391 INCHES BETWEEN FIRST AND SECOND GEAR 0.109 INCHES BETWEEN SECOND AND THIRD GEAR
HUB NOMINAL DIAMETER 2.031 INCHES FIRST END 1.750 INCHES BETWEEN FIRST AND SECOND GEAR 1.750 INCHES BETWEEN SECOND AND THIRD GEAR
FURNISHED ITEMS AND QUANTITY 1 LUBRICANT IMPREGNATED BEARING
III END ITEM IDENTIFICATION GRUMMAN AEROSPACE A-10 AIRCRAFT

Restrictions/Controls & Freight Information | NSN 3020-00-345-2666

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 197339 WHEELS COG/GEAR/PINION I/S
Less than car load rating
Less than truck load rating R 65.0
Water commodity Code 593 unknown
Originating Activity Code SE San Antonio Air Logistics Center
Kelly AFB, TX 78241-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 3020-00-345-2666

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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
1
EA : Each