PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1199S1111Gear,worm

Meritor Heavy Vehicle Systems, Llc · NSN 3020-00-289-7591 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-289-7591 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-289-7591. Primary manufacturer part number: 1199S1111.
Features
  • Gear,worm — FSC 3020
  • Face Type: STRAIGHT
  • Thread Form Quantity: 3
  • Counterbore Nominal Diameter: 2.031 INCHES COUNTERBORE FIRST END IN
  • Bore Style: W/ KEYWAY BOTH ENDS
  • Helix Angle: 3.3999 DEGREES
  • Bore Nominal Diameter: 2.000 INCHES BOTH ENDS IN
  • Thread Form Direction: LEFT-HAND
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,worm, cataloged under National Stock Number 3020-00-289-7591, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-289-7591
Primary Part Number1199S1111
Item NameGear,worm
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerMeritor Heavy Vehicle Systems, Llc
StatusACTIVE
Face TypeSTRAIGHT
Thread Form Quantity3
Counterbore Nominal Diameter2.031 INCHES COUNTERBORE FIRST END IN
Bore StyleW/ KEYWAY BOTH ENDS
Helix Angle3.3999 DEGREES
Bore Nominal Diameter2.000 INCHES BOTH ENDS IN
Thread Form DirectionLEFT-HAND
Hub Nominal Diameter2.469 INCHES FIRST END IN
Nominal Outside Diameter2.868 INCHES IN
Nominal Distance From Bore Center to Keyway Bottom1.094 INCHES BOTH ENDS IN
Face Nominal Width0.688 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.313 INCHES FIRST END IN
MaterialSTEEL OVERALL
Counterbore Nominal Depth0.375 INCHES COUNTERBORE FIRST END IN
Keyway Nominal Width0.125 INCHES BOTH ENDS IN
Bore StyleW/COUNTERBORE FIRST END
Pressure Angle14.5000 DEGREES
Hub Style DesignatorPLAIN FIRST END
Style DesignatorPROTRUDING HUB
Pitch Diameter2.7570 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-107-4722539430-1 INTERCHANGEABLE
Contact,electrical
Raytheon Company Dba Raytheon
5330-00-441-277322419 INTERCHANGEABLE
Gasket
Hydro-Aire Aerospace Corp
6625-00-553-7624Q74120-1 INTERCHANGEABLE
Ammeter
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
3120-00-662-303872962 INTERCHANGEABLE
Bearing,sleeve
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5310-00-754-178372962 INTERCHANGEABLE
Nut,self-Locking,extended Washer
Esna, Llc
5330-00-759-5834 INTERCHANGEABLE
Packing,preformed
7320-01-025-1427 INTERCHANGEABLE
Table,food Cutter
3120-01-100-049985268-2 INTERCHANGEABLE
Roller,linear-Rotary Motion
Vacco Industries
2805-01-350-916010159548 INTERCHANGEABLE
Engine,gasoline
General Motors Llc Dba General Motors Llc
6680-01-443-823522419-1 INTERCHANGEABLE
Nut Retainer,gage
Hydraulics International, Inc. Dba Hydraulics International Inc
Cross-Reference Index
Part NumberManufacturer
205026 Kaitlin Corp (USA)
1199S1111 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
22419 Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations (USA)
205026 Stewart-Warner Corporation (USA)
72962 Little Giant Crane and Shovel Inc (USA)
187326R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
7042909 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
187326R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
Related Parts
5999-00-107-4722INTERCHANGEABLE
CONTACT,ELECTRICAL
539430-1
5330-00-441-2773INTERCHANGEABLE
GASKET
22419
6625-00-553-7624INTERCHANGEABLE
AMMETER
Q74120-1
3120-00-662-3038INTERCHANGEABLE
BEARING,SLEEVE
72962
5310-00-754-1783INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
72962
5330-00-759-5834INTERCHANGEABLE
PACKING,PREFORMED
7320-01-025-1427INTERCHANGEABLE
TABLE,FOOD CUTTER
3120-01-100-0499INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
85268-2
2805-01-350-9160INTERCHANGEABLE
ENGINE,GASOLINE
10159548
6680-01-443-8235INTERCHANGEABLE
NUT RETAINER,GAGE
22419-1
5110-01-459-7995INTERCHANGEABLE
HANDLE,DOUBLE BIT AX
22419
6515-01-685-4673INTERCHANGEABLE
SCREW,BONE
205.026

Frequently Asked Questions

What is NSN 3020-00-289-7591?

NSN 3020-00-289-7591 is a Gear,worm, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-289-7591?

NSN 3020-00-289-7591 has 8 cross-referenced part numbers: 205026 (Kaitlin Corp), 1199S1111 (Meritor Heavy Vehicle Systems, Llc), 22419 (Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations), 205026 (Stewart-Warner Corporation), 72962 (Little Giant Crane and Shovel Inc) and 3 more.

What NSN replaces 3020-00-289-7591?

There are 12 known substitutes for 3020-00-289-7591: 5999-00-107-4722, 5330-00-441-2773, 6625-00-553-7624 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1199S1111?

Key specifications for 1199S1111: Face Type: STRAIGHT; Thread Form Quantity: 3; Counterbore Nominal Diameter: 2.031 INCHES COUNTERBORE FIRST END IN; Bore Style: W/ KEYWAY BOTH ENDS. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com