PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20991Gear,spur

Elbitamerica, Inc. · NSN 3020-01-418-3541 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-418-3541 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-418-3541. Primary manufacturer part number: 20991.
Features
  • Gear,spur — FSC 3020
  • Bore Nominal Diameter: 0.094 INCHES BOTH ENDS IN
  • Style Designator: HUBLESS
  • Pressure Angle: 20.0000 DEGREES
  • Surface Treatment: PASSIVATE OVERALL
  • Surface Treatment Document and Classification: MIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Bore Style: PLAIN BOTH ENDS
  • Pitch Diameter: 0.2500 INCHES NOMINAL IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303SE Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-418-3541, 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 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-418-3541
Primary Part Number20991
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerElbitamerica, Inc.
StatusACTIVE
Bore Nominal Diameter0.094 INCHES BOTH ENDS IN
Style DesignatorHUBLESS
Pressure Angle20.0000 DEGREES
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationMIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Bore StylePLAIN BOTH ENDS
Pitch Diameter0.2500 INCHES NOMINAL IN
Material Document and ClassificationMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Teeth Quantity24
Nominal Outside Diameter0.271 INCHES IN
Face Nominal Width0.048 INCHES IN
Precision ClassificationQUALITY NUMBER 11
Body StylePLAIN, SOLID
MaterialSTEEL COMP 303SE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5910-00-079-590420-099-1 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated
5930-00-108-4201 INTERCHANGEABLE
Switch,toggle
Cross-Reference Index
Part NumberManufacturer
20991 PRIMARY Elbitamerica, Inc. (USA)
Related Parts
5910-00-079-5904INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
20-099-1
5930-00-108-4201INTERCHANGEABLE
SWITCH,TOGGLE

Frequently Asked Questions

What is NSN 3020-01-418-3541?

NSN 3020-01-418-3541 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 3020-01-418-3541?

NSN 3020-01-418-3541 has 1 cross-referenced part number: 20991 (Elbitamerica, Inc.).

What NSN replaces 3020-01-418-3541?

There are 2 known substitutes for 3020-01-418-3541: 5910-00-079-5904, 5930-00-108-4201. Verify interchangeability with system specifications before substitution.

What are the specifications of 20991?

Key specifications for 20991: Bore Nominal Diameter: 0.094 INCHES BOTH ENDS IN; Style Designator: HUBLESS; Pressure Angle: 20.0000 DEGREES; Surface Treatment: PASSIVATE OVERALL. 15 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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