PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7439Gear,spur

Sew-Eurodrive, Inc. · NSN 3020-01-449-2381 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-449-2381 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-449-2381. Primary manufacturer part number: 7439.
Features
  • Gear,spur — FSC 3020
  • Material: STEEL OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Sew-Eurodrive, Inc.
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-449-2381, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Sew-Eurodrive, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-449-2381
Primary Part Number7439
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSew-Eurodrive, Inc.
StatusACTIVE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5815-00-125-49097439 INTERCHANGEABLE
Bar
Telemechanics Inc
1650-00-138-33367439 INTERCHANGEABLE
Lap Assembly,cylinder,shuttle VA
The Boeing Company Div Defense
5330-00-477-67477439 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5975-00-622-99668191332 INTERCHANGEABLE
Plate,wall,electrical
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
7439 PRIMARY Sew-Eurodrive, Inc. (USA)
01 328 44 US IT2 Sew-Eurodrive, Inc. (USA)
Related Parts
5815-00-125-4909INTERCHANGEABLE
BAR
7439
1650-00-138-3336INTERCHANGEABLE
LAP ASSEMBLY,CYLINDER,SHUTTLE VA
7439
5330-00-477-6747INTERCHANGEABLE
SEAL,PLAIN ENCASED
7439
5975-00-622-9966INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
8191332

Frequently Asked Questions

What is NSN 3020-01-449-2381?

NSN 3020-01-449-2381 is a Gear,spur, manufactured by Sew-Eurodrive, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-449-2381?

NSN 3020-01-449-2381 has 2 cross-referenced part numbers: 7439 (Sew-Eurodrive, Inc.), 01 328 44 US IT2 (Sew-Eurodrive, Inc.).

What NSN replaces 3020-01-449-2381?

There are 4 known substitutes for 3020-01-449-2381: 5815-00-125-4909, 1650-00-138-3336, 5330-00-477-6747 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7439?

Key specifications for 7439: End Item Identification: SUPPLY CLASS A0E; Material: STEEL OVERALL. 2 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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