PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21799-1Gear,spur

Elbitamerica, Inc. · NSN 3020-01-420-1090 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-420-1090 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-420-1090. Primary manufacturer part number: 21799-1.
Features
  • Gear,spur — FSC 3020
  • 2 verified cross-references
  • Primary manufacturer: Elbitamerica, Inc.
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-420-1090, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Elbitamerica, Inc.. This item has 2 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,spur
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersElbitamerica, Inc. (CAGE 89944)
Technical Specifications
ParameterValue
NSN3020-01-420-1090
Primary Part Number21799-1
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerElbitamerica, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
1560-00-125-886921799-1 INTERCHANGEABLE
Armor,supplemental,small Arms-Fr
Saint-Gobain Abrasives Inc
3455-00-245-428221799 INTERCHANGEABLE
Blade,hole Saw
Black and Decker Us Inc
4810-01-049-248421799 INTERCHANGEABLE
Stem-Lower,valve
Eaton Aerospace Llc
5330-01-245-3499871345901 INTERCHANGEABLE
Gasket
Alfa Laval Inc
3020-01-419-641921802 INTERCHANGEABLE
Gear Cluster
Elbitamerica, Inc.
3020-01-420-108821799-2 INTERCHANGEABLE
Gear,spur
Elbitamerica, Inc.
5310-01-483-4541217991 INTERCHANGEABLE
Nut,plain,hexagon
Cadillac Gage Textron Inc.
Cross-Reference Index
Part NumberManufacturer
21799-1 PRIMARY Elbitamerica, Inc. (USA)
21799 Elbitamerica, Inc. (USA)
Related Parts
1560-00-125-8869INTERCHANGEABLE
ARMOR,SUPPLEMENTAL,SMALL ARMS-FR
21799-1
3455-00-245-4282INTERCHANGEABLE
BLADE,HOLE SAW
21799
4810-01-049-2484INTERCHANGEABLE
STEM-LOWER,VALVE
21799
5330-01-245-3499INTERCHANGEABLE
GASKET
871345901
3020-01-419-6419INTERCHANGEABLE
GEAR CLUSTER
21802
3020-01-420-1088INTERCHANGEABLE
GEAR,SPUR
21799-2
5310-01-483-4541INTERCHANGEABLE
NUT,PLAIN,HEXAGON
217991

Frequently Asked Questions

What is NSN 3020-01-420-1090?

NSN 3020-01-420-1090 is a Gear,spur, manufactured by Elbitamerica, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-420-1090?

NSN 3020-01-420-1090 has 2 cross-referenced part numbers: 21799-1 (Elbitamerica, Inc.), 21799 (Elbitamerica, Inc.).

What NSN replaces 3020-01-420-1090?

There are 7 known substitutes for 3020-01-420-1090: 1560-00-125-8869, 3455-00-245-4282, 4810-01-049-2484 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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