PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51122Gear,worm

Altra Industrial Motion Corp. · NSN 3020-01-284-5912 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-284-5912 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-284-5912. Primary manufacturer part number: 51122.
Features
  • Gear,worm — FSC 3020
  • 3 verified cross-references
  • Primary manufacturer: Altra Industrial Motion Corp.
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,worm, cataloged under National Stock Number 3020-01-284-5912, 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.. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear,worm
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersAltra Industrial Motion Corp. (CAGE 71041)
Technical Specifications
ParameterValue
NSN3020-01-284-5912
Primary Part Number51122
Item NameGear,worm
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4720-00-134-43475112-2 INTERCHANGEABLE
Hose,air Duct
Flexco, Inc
3110-00-156-1917 INTERCHANGEABLE
Bearing,ball,thrust
5120-00-156-8626 INTERCHANGEABLE
Contact Positioner,terminal Crim
5331-00-395-606251122 INTERCHANGEABLE
O-Ring
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
6680-01-125-279451122P026 INTERCHANGEABLE
Ball,half,flowmeter
Hersey Measurement Co Div of Miller Industries Inc
1005-01-487-245151122 INTERCHANGEABLE
Trigger Assembly
American Apex Corporation
5315-01-670-39325112-2 INTERCHANGEABLE
Pin,lock
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
FWC752B-200S PC 77 Altra Industrial Motion Corp. (USA)
XW752-2-10 Altra Industrial Motion Corp. (USA)
51122 PRIMARY Altra Industrial Motion Corp. (USA)
Related Parts
4720-00-134-4347INTERCHANGEABLE
HOSE,AIR DUCT
5112-2
3110-00-156-1917INTERCHANGEABLE
BEARING,BALL,THRUST
5120-00-156-8626INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
5331-00-395-6062INTERCHANGEABLE
O-RING
51122
6680-01-125-2794INTERCHANGEABLE
BALL,HALF,FLOWMETER
51122P026
1005-01-487-2451INTERCHANGEABLE
TRIGGER ASSEMBLY
51122
5315-01-670-3932INTERCHANGEABLE
PIN,LOCK
5112-2

Frequently Asked Questions

What is NSN 3020-01-284-5912?

NSN 3020-01-284-5912 is a Gear,worm, manufactured by Altra Industrial Motion Corp., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-284-5912?

NSN 3020-01-284-5912 has 3 cross-referenced part numbers: FWC752B-200S PC 77 (Altra Industrial Motion Corp.), XW752-2-10 (Altra Industrial Motion Corp.), 51122 (Altra Industrial Motion Corp.).

What NSN replaces 3020-01-284-5912?

There are 7 known substitutes for 3020-01-284-5912: 4720-00-134-4347, 3110-00-156-1917, 5120-00-156-8626 and 4 more. Verify interchangeability with system specifications before substitution.

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