PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21800Gear,spur

Elbitamerica, Inc. · NSN 3020-01-419-6417 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-419-6417 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-419-6417. Primary manufacturer part number: 21800.
Features
  • Gear,spur — FSC 3020
  • Precision Classification: ACCURACY GRADE 11
  • End Nominal Diameter: 0.157 INCHES SECOND END IN
  • Material: STEEL COMP 303 OVERALL
  • End Nominal Length: 0.035 INCHES SECOND END IN
  • Style Designator: PROTRUDING HUB
  • Pressure Angle: 20.0000 DEGREES
  • Teeth Quantity: 27
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-419-6417, 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.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-419-6417
Primary Part Number21800
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerElbitamerica, Inc.
StatusACTIVE
Precision ClassificationACCURACY GRADE 11
End Nominal Diameter0.157 INCHES SECOND END IN
MaterialSTEEL COMP 303 OVERALL
End Nominal Length0.035 INCHES SECOND END IN
Style DesignatorPROTRUDING HUB
Pressure Angle20.0000 DEGREES
Teeth Quantity27
Nominal Distance Between Body Face and Protruding Hub End0.070 INCHES SECOND END IN
Surface Treatment Document and ClassificationMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Face Nominal Width0.125 INCHES IN
Bore Nominal Diameter0.109 INCHES BOTH ENDS IN
Body StylePLAIN, SOLID
First Step Nominal Diameter0.187 INCHES SECOND END IN
Nominal Outside Diameter0.241 INCHES IN
Pitch Diameter0.2250 INCHES NOMINAL IN
Bore StylePLAIN BOTH ENDS
Hub Style Designator1 STEP SECOND END
Surface TreatmentPASSIVATE OVERALL
First Step Nominal Length0.035 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5935-00-295-64037321299 INTERCHANGEABLE
Connector,receptacle,electrical
U S Army Tank Automotive Command Amsta-Im-Mm
1680-00-373-286221800 INTERCHANGEABLE
Grip,cyclic Stick
Mason Electric Co. Dba Mason Controls
5821-00-510-3156 INTERCHANGEABLE
Base Assy
3455-00-540-273121800 INTERCHANGEABLE
Blade,hole Saw
Black and Decker Us Inc
5950-01-038-7661 INTERCHANGEABLE
Coil,electrical
5962-01-167-787354LS175DM INTERCHANGEABLE
Microcircuit,digital
Fairchild Semiconductor Corp
5331-01-211-046521800 INTERCHANGEABLE
O-Ring
Westerbeke Corporation
4420-01-275-624321800 INTERCHANGEABLE
Core Assembly,fluid Cooler
Coffin Turbo Pump Inc
5330-01-325-524421800 INTERCHANGEABLE
Gasket
L3 Technologies, Inc.
5895-01-383-740621800 INTERCHANGEABLE
Modem,communications
Motorola/codex Corp Sub of Motorola Inc
Cross-Reference Index
Part NumberManufacturer
21800 PRIMARY Elbitamerica, Inc. (USA)
Related Parts
5935-00-295-6403INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
7321299
1680-00-373-2862INTERCHANGEABLE
GRIP,CYCLIC STICK
21800
5821-00-510-3156INTERCHANGEABLE
BASE ASSY
3455-00-540-2731INTERCHANGEABLE
BLADE,HOLE SAW
21800
5950-01-038-7661INTERCHANGEABLE
COIL,ELECTRICAL
5962-01-167-7873INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
54LS175DM
5331-01-211-0465INTERCHANGEABLE
O-RING
21800
4420-01-275-6243INTERCHANGEABLE
CORE ASSEMBLY,FLUID COOLER
21800
5330-01-325-5244INTERCHANGEABLE
GASKET
21800
5895-01-383-7406INTERCHANGEABLE
MODEM,COMMUNICATIONS
21800
5120-01-671-8439INTERCHANGEABLE
VISE,MACHINIST'S
21800

Frequently Asked Questions

What is NSN 3020-01-419-6417?

NSN 3020-01-419-6417 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 3020-01-419-6417?

NSN 3020-01-419-6417 has 1 cross-referenced part number: 21800 (Elbitamerica, Inc.).

What NSN replaces 3020-01-419-6417?

There are 11 known substitutes for 3020-01-419-6417: 5935-00-295-6403, 1680-00-373-2862, 5821-00-510-3156 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21800?

Key specifications for 21800: Precision Classification: ACCURACY GRADE 11; End Nominal Diameter: 0.157 INCHES SECOND END IN; Material: STEEL COMP 303 OVERALL; End Nominal Length: 0.035 INCHES SECOND END IN. 20 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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