PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DB-1420Gear,worm Wheel

Altra Industrial Motion Corp. · NSN 3020-01-197-7228 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-197-7228 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-197-7228. Primary manufacturer part number: DB-1420.
Features
  • Gear,worm Wheel — FSC 3020
  • Body Style: PLAIN, SOLID
  • Pitch Diameter: 2.5000 INCHES NOMINAL IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.750 INCHES FIRST END IN
  • Mating Thread Lead Quantity: 2
  • Hub Nominal Diameter: 1.750 INCHES FIRST END IN
  • Style Designator: PROTRUDING HUB
  • Hub Style Designator: PLAIN FIRST END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,worm Wheel, cataloged under National Stock Number 3020-01-197-7228, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-197-7228
Primary Part NumberDB-1420
Item NameGear,worm Wheel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
Body StylePLAIN, SOLID
Pitch Diameter2.5000 INCHES NOMINAL IN
Nominal Distance Between Body Face and Protruding Hub End0.750 INCHES FIRST END IN
Mating Thread Lead Quantity2
Hub Nominal Diameter1.750 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Hub Style DesignatorPLAIN FIRST END
Nominal Outside Diameter2.750 INCHES IN
Pressure Angle14.5000 DEGREES
MaterialCOPPER ALLOY OVERALL
Bore Nominal Diameter1.000 INCHES BOTH ENDS IN
Teeth Quantity20
Face Nominal Width0.750 INCHES IN
Face TypeSTRAIGHT
Bore StylePLAIN BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4820-00-862-939774560 INTERCHANGEABLE
Stem,fluid Valve
Clyde Bergemann Inc
4410-01-195-4381 INTERCHANGEABLE
Roller,beam,soot Blower
4820-01-195-5943 INTERCHANGEABLE
Valve,check
3020-01-195-9254H-1427 INTERCHANGEABLE
Gear,worm
Altra Industrial Motion Corp.
4820-01-196-1302 INTERCHANGEABLE
Trigger,valve Lever
3040-01-196-1504 INTERCHANGEABLE
Lever,remote Control
3020-01-196-9127 INTERCHANGEABLE
Chain,roller
Cross-Reference Index
Part NumberManufacturer
DB-1420 PRIMARY Altra Industrial Motion Corp. (USA)
DB1420A Altra Industrial Motion Corp. (USA)
X-74050 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
X-74050PIECE 3-41 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
Related Parts
4820-00-862-9397INTERCHANGEABLE
STEM,FLUID VALVE
74560
4410-01-195-4381INTERCHANGEABLE
ROLLER,BEAM,SOOT BLOWER
4820-01-195-5943INTERCHANGEABLE
VALVE,CHECK
3020-01-195-9254INTERCHANGEABLE
GEAR,WORM
H-1427
4820-01-196-1302INTERCHANGEABLE
TRIGGER,VALVE LEVER
3040-01-196-1504INTERCHANGEABLE
LEVER,REMOTE CONTROL
3020-01-196-9127INTERCHANGEABLE
CHAIN,ROLLER

Frequently Asked Questions

What is NSN 3020-01-197-7228?

NSN 3020-01-197-7228 is a Gear,worm Wheel, manufactured by Altra Industrial Motion Corp., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-197-7228?

NSN 3020-01-197-7228 has 4 cross-referenced part numbers: DB-1420 (Altra Industrial Motion Corp.), DB1420A (Altra Industrial Motion Corp.), X-74050 (Spx Flow Us, Llc Dba Spx Valves & Controls), X-74050PIECE 3-41 (Spx Flow Us, Llc Dba Spx Valves & Controls).

What NSN replaces 3020-01-197-7228?

There are 7 known substitutes for 3020-01-197-7228: 4820-00-862-9397, 4410-01-195-4381, 4820-01-195-5943 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DB-1420?

Key specifications for DB-1420: Body Style: PLAIN, SOLID; Pitch Diameter: 2.5000 INCHES NOMINAL IN; Nominal Distance Between Body Face and Protruding Hub End: 0.750 INCHES FIRST END IN; Mating Thread Lead Quantity: 2. 15 total characteristics are documented in the Federal Logistics Information System.

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