PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41085Gear,antibacklash,spur

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 3020-00-673-9792 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-673-9792 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-673-9792. Primary manufacturer part number: 41085.
Features
  • Gear,antibacklash,spur — FSC 3020
  • Bore Style: PLAIN BOTH ENDS
  • Teeth Quantity: 44
  • Tooth Form: STANDARD
  • Style Designator: PROTRUDING HUB
  • Pressure Angle: 20.0000 DEGREES
  • Pitch Diameter: 1.5000 INCHES NOMINAL IN
  • Bore Nominal Diameter: 0.120 INCHES BOTH ENDS IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Gear,antibacklash,spur, cataloged under National Stock Number 3020-00-673-9792, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-673-9792
Primary Part Number41085
Item NameGear,antibacklash,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusACTIVE
Bore StylePLAIN BOTH ENDS
Teeth Quantity44
Tooth FormSTANDARD
Style DesignatorPROTRUDING HUB
Pressure Angle20.0000 DEGREES
Pitch Diameter1.5000 INCHES NOMINAL IN
Bore Nominal Diameter0.120 INCHES BOTH ENDS IN
Hub Nominal Diameter0.372 INCHES BOTH ENDS IN
Hub Style DesignatorPLAIN FIRST END
Nominal Outside Diameter1.509 INCHES IN
Face Nominal Width0.156 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.418 INCHES BOTH ENDS IN
Surface TreatmentANODIZE OVERALL
Surface Treatment Document and ClassificationQQ-P-416 TYPE II CLASS C FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialALUMINUM ALLOY 2024 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-569-0173SCC63037 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-677-1533152A477H01 INTERCHANGEABLE
Transformer,audio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5330-00-860-988528762 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
9540-01-071-3514 INTERCHANGEABLE
Beam,structural
9540-01-071-3527 INTERCHANGEABLE
Beam,structural
9540-01-071-8857 INTERCHANGEABLE
Beam,structural
5977-01-514-237041085M REV B INTERCHANGEABLE
Electrode
Brantner and Associates, Inc.
5977-01-543-3881 INTERCHANGEABLE
Electrode
7045-01-558-3510 INTERCHANGEABLE
Slim Cd Case
Cross-Reference Index
Part NumberManufacturer
41085 Roller Bearing Co of America, Inc Div Pic Design (USA)
41085 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
41085 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
41085 R/p Intl Technologies Inc (USA)
Related Parts
5950-00-569-0173INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SCC63037
5950-00-677-1533INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
152A477H01
5330-00-860-9885INTERCHANGEABLE
GASKET
28762
9540-01-071-3514INTERCHANGEABLE
BEAM,STRUCTURAL
9540-01-071-3527INTERCHANGEABLE
BEAM,STRUCTURAL
9540-01-071-8857INTERCHANGEABLE
BEAM,STRUCTURAL
5977-01-514-2370INTERCHANGEABLE
ELECTRODE
41085M REV B
5977-01-543-3881INTERCHANGEABLE
ELECTRODE
7045-01-558-3510INTERCHANGEABLE
SLIM CD CASE

Frequently Asked Questions

What is NSN 3020-00-673-9792?

NSN 3020-00-673-9792 is a Gear,antibacklash,spur, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-673-9792?

NSN 3020-00-673-9792 has 4 cross-referenced part numbers: 41085 (Roller Bearing Co of America, Inc Div Pic Design), 41085 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 41085 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 41085 (R/p Intl Technologies Inc).

What NSN replaces 3020-00-673-9792?

There are 9 known substitutes for 3020-00-673-9792: 5950-00-569-0173, 5950-00-677-1533, 5330-00-860-9885 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41085?

Key specifications for 41085: Bore Style: PLAIN BOTH ENDS; Teeth Quantity: 44; Tooth Form: STANDARD; Style Designator: PROTRUDING HUB. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com