PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19773Gear,helical

Morris Material Handling, Inc. · NSN 3020-00-711-8514 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-711-8514 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-711-8514. Primary manufacturer part number: 19773.
Features
  • Gear,helical — FSC 3020
  • Body Style: WEBBED, OFFSET, SOLID
  • Teeth Quantity: 72
  • Helix Angle: 35.0000 DEGREES
  • Hub Style Designator: 1 STEP SECOND END
  • Bore Nominal Diameter: 1.375 INCHES BOTH ENDS IN
  • Hub Style Designator: PLAIN FIRST END
  • Nominal Distance Between Body Face and Protruding Hub End: 0.125 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-711-8514, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Morris Material Handling, Inc.. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-711-8514
Primary Part Number19773
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerMorris Material Handling, Inc.
StatusCANCELLED
Body StyleWEBBED, OFFSET, SOLID
Teeth Quantity72
Helix Angle35.0000 DEGREES
Hub Style Designator1 STEP SECOND END
Bore Nominal Diameter1.375 INCHES BOTH ENDS IN
Hub Style DesignatorPLAIN FIRST END
Nominal Distance Between Body Face and Protruding Hub End0.125 INCHES FIRST END IN
Mounting Hole Type and Quantity2 THREADED AXIALLY THROUGH BODY FIRST END
Keyway Nominal Width0.250 INCHES BOTH ENDS IN
Attachment MethodMOUNTING HOLE
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END
Tooth DirectionRIGHT
Bolt Hole Circle Nominal Diameter4.750 INCHES AXIALLY THROUGH BODY FIRST END IN
Nominal Outside Diameter8.8750 INCHES IN
End Nominal Diameter2.250 INCHES SECOND END IN
End Nominal Length0.563 INCHES SECOND END IN
MaterialSTEEL OVERALL
Teeth TypeSINGLE HELIX
Tooth FormSTANDARD
Pressure Angle20.0000 DEGREES
Hub Nominal Diameter2.766 INCHES FIRST END IN
Face Nominal Width1.375 INCHES IN
Mounting Hole Nominal Thread Size0.375 INCHES AXIALLY THROUGH BODY FIRST END IN
Style DesignatorONE PROTRUDING HUB, ONE RECESSED HUB
First Step Nominal Length0.094 INCHES SECOND END IN
Nominal Distance From Bore Center to Keyway Bottom0.813 INCHES BOTH ENDS IN
Features ProvidedCASEHARDENED
Nominal Distance Between Body Face and Recessed Hub End0.125 INCHES SECOND END IN
Bore StyleW/ KEYWAY BOTH ENDS
First Step Nominal Diameter3.3125 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-30953984 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Rbc Bearings Incorporated Div West Trenton Division
5310-00-443-997219773 INTERCHANGEABLE
Washer,special
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5365-00-612-14286835 INTERCHANGEABLE
Spacer
Telemechanics Inc
5935-00-682-0575683-5 INTERCHANGEABLE
Connector,receptacle,electrical
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation
6910-00-809-6835800-6835 INTERCHANGEABLE
Moulage,war Wound
Nasco Healthcare Inc
5365-00-880-8894 INTERCHANGEABLE
Spacer,insulating,oven Door
6240-01-013-25286835 INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
4720-01-088-93866835-24 INTERCHANGEABLE
Hose Assembly,nonmetallic
Transdigm Inc Div Adelwiggins Group
3040-01-172-298819773 INTERCHANGEABLE
Shaft,straight
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
6515-01-317-85076835 INTERCHANGEABLE
Connector,respiratory Therapy Sy
Bird Products Corp
Cross-Reference Index
Part NumberManufacturer
6835 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
19773 PRIMARY Morris Material Handling, Inc. (USA)
19773 PRIMARY Napco International Llc Dba Napco International Inc (USA)
157D1-0721 Kurz & Root Generator Company, Llc (USA)
Related Parts
3110-00-100-3095INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3984
5310-00-443-9972INTERCHANGEABLE
WASHER,SPECIAL
19773
5365-00-612-1428INTERCHANGEABLE
SPACER
6835
5935-00-682-0575INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
683-5
6910-00-809-6835INTERCHANGEABLE
MOULAGE,WAR WOUND
800-6835
5365-00-880-8894INTERCHANGEABLE
SPACER,INSULATING,OVEN DOOR
6240-01-013-2528INTERCHANGEABLE
LAMP,INCANDESCENT
6835
4720-01-088-9386INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6835-24
3040-01-172-2988INTERCHANGEABLE
SHAFT,STRAIGHT
19773
6515-01-317-8507INTERCHANGEABLE
CONNECTOR,RESPIRATORY THERAPY SY
6835
2040-01-500-6590INTERCHANGEABLE
SKEG,BOAT,STRUCTURAL
6835
5995-01-539-0833INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
19773

Frequently Asked Questions

What is NSN 3020-00-711-8514?

NSN 3020-00-711-8514 is a Gear,helical, manufactured by Morris Material Handling, Inc., classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-711-8514?

NSN 3020-00-711-8514 has 4 cross-referenced part numbers: 6835 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), 19773 (Morris Material Handling, Inc.), 19773 (Napco International Llc Dba Napco International Inc), 157D1-0721 (Kurz & Root Generator Company, Llc).

What NSN replaces 3020-00-711-8514?

There are 12 known substitutes for 3020-00-711-8514: 3110-00-100-3095, 5310-00-443-9972, 5365-00-612-1428 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19773?

Key specifications for 19773: Body Style: WEBBED, OFFSET, SOLID; Teeth Quantity: 72; Helix Angle: 35.0000 DEGREES; Hub Style Designator: 1 STEP SECOND END. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-711-8514 still in active supply?

NSN 3020-00-711-8514 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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