Product Details | GEAR CLUSTER

3020-00-308-2938 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: 1091868, 3020-00-308-2938, 00-308-2938, 3020003082938, 003082938

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

Supply Group (FSG) NSN Assign. NIIN
30 21 OCT 1973 00-308-2938

Drawings & Photos | NSN 3020-00-308-2938


Demand History | NSN 3020-00-308-2938

Part Number Request Date QTY Origin
1091868 2025-11-310 3 DIBBS
1091868 2025-08-219 1 DIBBS
1091868 2025-08-216 1 DIBBS
3020-00-308-2938 2020-04-102 1 US
1091868 2020-03-62 1 DIBBS
1091868 2020-02-50 1 DIBBS
1091868 2019-09-267 1 DIBBS
3020-00-308-2938 2017-09-249 1 DIBBS
3020-00-308-2938 2009-07-211 4 DIBBS
3020-00-308-2938 2009-02-35 4 DIBBS
3020-00-308-2938 2008-09-251 3 DIBBS

Cross Reference | NSN 3020-00-308-2938

Part Number Cage Code Manufacturer
1091868 81039 WHIPPANY ACTUATION SYSTEMS LLC

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Technical Data | NSN 3020-00-308-2938

Characteristic Specifications
MATERIAL STEEL COMP E4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5000,COMP E4340 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
CONSTRUCTION SOLID
DESIGN TYPE SPUR FIRST GEAR SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER 0.632 INCHES FIRST GEAR 1.066 INCHES SECOND GEAR
NOMINAL OVERALL LENGTH 1.652 INCHES
PRECISION CLASSIFICATION QUALITY NUMBER 8 ALL GEARS
HUB STYLE DESIGNATOR 1 PLAIN BETWEEN FIRST AND SECOND GEAR 4A 1 STEP BOTH ENDS
HUB NOMINAL LENGTH 0.498 INCHES FIRST END 0.229 INCHES SECOND END 0.445 INCHES BETWEEN FIRST AND SECOND GEAR
HUB NOMINAL DIAMETER 0.260 INCHES BETWEEN FIRST AND SECOND GEAR 0.260 INCHES BOTH ENDS
MANUFACTURERS CODE 81039
DESIGN CONTROL REFERENCE 1091868

Restrictions/Controls & Freight Information | NSN 3020-00-308-2938

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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
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 3020-00-308-2938

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.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
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
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each