Product Details | WORM GEAR

3020-00-690-0638 A gear with teeth on its outer surface in the form of helical threads.

Part Alternates: A1124, NA69172, NA-69172, 900024, 900081, 955003, 3020-00-690-0638, 00-690-0638, 3020006900638, 006900638

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

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-690-0638

Drawings & Photos | NSN 3020-00-690-0638


Demand History | NSN 3020-00-690-0638

Part Number Request Date QTY Origin
900024 2024-05-137 8 DIBBS
900081 2024-05-137 8 DIBBS
A1124 2024-05-137 8 DIBBS
900024 2024-01-03 16 DIBBS
900081 2024-01-03 16 DIBBS
A1124 2024-01-03 16 DIBBS
3020-00-690-0638 2017-03-79 9 DIBBS
3020-00-690-0638 2017-03-68 9 DIBBS
3020-00-690-0638 2016-06-158 9 DIBBS
3020-00-690-0638 2016-05-147 9 DIBBS
3020-00-690-0638 2015-12-363 8 DIBBS
3020-00-690-0638 2015-12-351 8 DIBBS

Cross Reference | NSN 3020-00-690-0638

Part Number Cage Code Manufacturer
900024 0B5H6 NIANTIC TOOL, INC.
900081 0DKH2 EVANS LEE INC
955003 0BR59 DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV
955003 82328 DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND
A1124 0B5H6 NIANTIC TOOL, INC.
NA-69172 82328 DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND

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Technical Data | NSN 3020-00-690-0638

Characteristic Specifications
MATERIAL STEEL OVERALL
FACE TYPE STRAIGHT
THREAD FORM QUANTITY 4
THREAD FORM DIRECTION RIGHT-HAND
PRESSURE ANGLE 20.0000 DEGREES
HELIX ANGLE 20.8000 DEGREES
STYLE DESIGNATOR 2 PROTRUDING HUB
PITCH DIAMETER 0.6250 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER 0.749 INCHES
FACE NOMINAL WIDTH 1.000 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.250 INCHES FIRST END
BORE STYLE 1 PLAIN BOTH ENDS
BORE NOMINAL DIAMETER 0.312 INCHES BOTH ENDS
HUB STYLE DESIGNATOR 5 PINNED FIRST END
HUB NOMINAL DIAMETER 0.470 INCHES FIRST END

Restrictions/Controls & Freight Information | NSN 3020-00-690-0638

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 XX
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 3020-00-690-0638

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 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