Product Details | GEAR CLUSTER

3020-00-403-7888 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: BYLH55450, BYLH554-50, 3020-00-403-7888, 00-403-7888, 3020004037888, 004037888

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

Supply Group (FSG) NSN Assign. NIIN
30 25 JUL 1969 00-403-7888

Drawings & Photos | NSN 3020-00-403-7888


Cross Reference | NSN 3020-00-403-7888

Part Number Cage Code Manufacturer
BYLH554-50 05624 GE AVIATION SYSTEMS LLC DBA GE AVIATION

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Technical Data | NSN 3020-00-403-7888

Characteristic Specifications
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-8559 MIL SPEC SINGLE MATERIAL RESPONSE FIRST GEAR
SURFACE TREATMENT OXIDE OVERALL
HARDNESS RATING 47.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM HUB 34.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM TEETH
CONSTRUCTION ASSEMBLED
DESIGN TYPE SPUR FIRST GEAR SPUR SECOND GEAR
NOMINAL OUTSIDE DIAMETER 0.4370 INCHES FIRST GEAR 0.281 INCHES SECOND GEAR
BORE STYLE 1 PLAIN BOTH ENDS
BORE NOMINAL DIAMETER 0.096 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 1 PLAIN FIRST END
HUB NOMINAL LENGTH 0.016 INCHES FIRST END
HUB NOMINAL DIAMETER 0.205 INCHES FIRST END
FURNISHED ITEMS AND QUANTITY 1 EXTERNALLY LUBRICATED BEARING
MANUFACTURERS CODE 05624
DESIGN CONTROL REFERENCE BYLH554-50

Restrictions/Controls & Freight Information | NSN 3020-00-403-7888

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 3020-00-403-7888

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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Z
EA : Each