PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50A19Sprocket Wheel

Altra Industrial Motion Corp. · NSN 3020-01-307-7407 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-307-7407 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-307-7407. Primary manufacturer part number: 50A19.
Features
  • Sprocket Wheel — FSC 3020
  • Bore Diameter: 0.625 INCHES NOMINAL IN
  • Bore Length: 0.343 INCHES NOMINAL IN
  • Outside Diameter: 4.120 INCHES NOMINAL IN
  • Teeth Row Quantity: 1
  • Hardness Rating Test Method: NOT RATED
  • Material: STEEL
  • Style Designator: PLAIN
Applications
  • Applications requiring Steel construction
General Description

The Sprocket Wheel, cataloged under National Stock Number 3020-01-307-7407, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN3020-01-307-7407
Primary Part Number50A19
Item NameSprocket Wheel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
Bore Diameter0.625 INCHES NOMINAL IN
Bore Length0.343 INCHES NOMINAL IN
Outside Diameter4.120 INCHES NOMINAL IN
Teeth Row Quantity1
Hardness Rating Test MethodNOT RATED
MaterialSTEEL
Style DesignatorPLAIN
Teeth Quantity Per Row19
Tooth Pitch0.625 INCHES NOMINAL IN
Design FormPLAIN
Face Width0.343 INCHES NOMINAL IN
Pitch Diameter3.797 INCHES NOMINAL IN
Bore TypeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2030-00-566-504249007 INTERCHANGEABLE
Cam Case Assy,hoist
Eaton Aerospace, Llc Dba Jackson South
5975-00-839-6089 INTERCHANGEABLE
Conduit,nonmetallic,rigid
4710-01-231-410849007 INTERCHANGEABLE
Tube,metallic
Walker Mfg Co
5950-01-284-505812456-7 INTERCHANGEABLE
Transformer,current
Magnespec Inc
2040-01-311-901249-007 INTERCHANGEABLE
Door,metal,marine Structural
Huntington Ingalls Incorporated Div Ingalls Shipbuilding
4030-01-345-8334900-61002 INTERCHANGEABLE
Shackle
T. a. Pelsue Company Dba T a Pelsue Co
3040-01-351-8328 INTERCHANGEABLE
Ball Joint
Cross-Reference Index
Part NumberManufacturer
50A19 PRIMARY Altra Industrial Motion Corp. (USA)
50A19 Martin Sprocket and Gear Inc (USA)
49-007 PIECE 31 Huntington Ingalls Incorporated Div Ingalls Shipbuilding (USA)
49-007 Huntington Ingalls Incorporated Div Ingalls Shipbuilding (USA)
Related Parts
2030-00-566-5042INTERCHANGEABLE
CAM CASE ASSY,HOIST
49007
5975-00-839-6089INTERCHANGEABLE
CONDUIT,NONMETALLIC,RIGID
4710-01-231-4108INTERCHANGEABLE
TUBE,METALLIC
49007
5950-01-284-5058INTERCHANGEABLE
TRANSFORMER,CURRENT
12456-7
2040-01-311-9012INTERCHANGEABLE
DOOR,METAL,MARINE STRUCTURAL
49-007
4030-01-345-8334INTERCHANGEABLE
SHACKLE
900-61002
3040-01-351-8328INTERCHANGEABLE
BALL JOINT

Frequently Asked Questions

What is NSN 3020-01-307-7407?

NSN 3020-01-307-7407 is a Sprocket Wheel, manufactured by Altra Industrial Motion Corp., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-307-7407?

NSN 3020-01-307-7407 has 4 cross-referenced part numbers: 50A19 (Altra Industrial Motion Corp.), 50A19 (Martin Sprocket and Gear Inc), 49-007 PIECE 31 (Huntington Ingalls Incorporated Div Ingalls Shipbuilding), 49-007 (Huntington Ingalls Incorporated Div Ingalls Shipbuilding).

What NSN replaces 3020-01-307-7407?

There are 7 known substitutes for 3020-01-307-7407: 2030-00-566-5042, 5975-00-839-6089, 4710-01-231-4108 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50A19?

Key specifications for 50A19: Bore Diameter: 0.625 INCHES NOMINAL IN; Bore Length: 0.343 INCHES NOMINAL IN; Outside Diameter: 4.120 INCHES NOMINAL IN; Teeth Row Quantity: 1. 13 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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