PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E618190Gear,spur

Raytheon Co · NSN 3020-00-904-5161 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-904-5161 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-904-5161. Primary manufacturer part number: E618190.
Features
  • Gear,spur — FSC 3020
  • Tooth Form: STANDARD
  • Nominal Distance Between Body Face and Protruding Hub End: 0.281 INCHES FIRST END IN
  • Hub Nominal Diameter: 0.312 INCHES FIRST END IN
  • Face Nominal Width: 0.125 INCHES IN
  • Precision Classification: QUALITY NUMBER 11
  • Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN
  • Hub Style Designator: SPLIT FIRST END
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 3020-00-904-5161, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Raytheon Co. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-904-5161
Primary Part NumberE618190
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRaytheon Co
StatusACTIVE
Tooth FormSTANDARD
Nominal Distance Between Body Face and Protruding Hub End0.281 INCHES FIRST END IN
Hub Nominal Diameter0.312 INCHES FIRST END IN
Face Nominal Width0.125 INCHES IN
Precision ClassificationQUALITY NUMBER 11
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Hub Style DesignatorSPLIT FIRST END
Nominal Outside Diameter0.916 INCHES IN
Bore StylePLAIN BOTH ENDS
Teeth Quantity42
Style DesignatorPROTRUDING HUB
Pressure Angle20.0000 DEGREES
Body StylePLAIN, SOLID
Surface TreatmentPASSIVATE OVERALL
Pitch Diameter0.8750 INCHES NOMINAL IN
Surface Treatment Document and ClassificationMIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL OVERALL
Attachment MethodCLAMP
Clamping Surface Nominal Length0.250 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-236-646864S11-56A6-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-00-540-773164S11-120A8-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-00-580-796564A11-120A6-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-00-618-012464H10C100A6-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-00-894-2389E22-48 INTERCHANGEABLE
Gear,spur
Designatronics Incorporated Div Sterling Instruments Div
3020-00-901-870064D11-22C13-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-00-901-9211D46S39 INTERCHANGEABLE
Gear,spur
Designatronics Inc Perfect Gear and Instrument Div
3020-00-902-7257D48S40 INTERCHANGEABLE
Gear,spur
Designatronics Inc Perfect Gear and Instrument Div
3020-00-902-862464S11-30C8-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
3020-00-925-443164A11-85A6-4 INTERCHANGEABLE
Gear,spur
Raytheon Co
Cross-Reference Index
Part NumberManufacturer
R21-42 Designatronics Incorporated Div Sterling Instruments Div (USA)
GC14-42P1 Secs Inc (USA)
H1-42 Roller Bearing Co of America, Inc Div Pic Design (USA)
48S11-42C8-4 Alliant Techsystems Inc Ordnance Systems Div (USA)
48S11-42C8-4 Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (USA)
E618190 PRIMARY Raytheon Co (USA)
C48S18-42 W. M. Berg, Inc. (USA)
48S11-42C8-4 Raytheon Co (USA)
M48S42 Designatronics Inc Perfect Gear and Instrument Div (USA)
Related Parts
3020-00-236-6468INTERCHANGEABLE
GEAR,SPUR
64S11-56A6-4
3020-00-540-7731INTERCHANGEABLE
GEAR,SPUR
64S11-120A8-4
3020-00-580-7965INTERCHANGEABLE
GEAR,SPUR
64A11-120A6-4
3020-00-618-0124INTERCHANGEABLE
GEAR,SPUR
64H10C100A6-4
3020-00-894-2389INTERCHANGEABLE
GEAR,SPUR
E22-48
3020-00-901-8700INTERCHANGEABLE
GEAR,SPUR
64D11-22C13-4
3020-00-901-9211INTERCHANGEABLE
GEAR,SPUR
D46S39
3020-00-902-7257INTERCHANGEABLE
GEAR,SPUR
D48S40
3020-00-902-8624INTERCHANGEABLE
GEAR,SPUR
64S11-30C8-4
3020-00-925-4431INTERCHANGEABLE
GEAR,SPUR
64A11-85A6-4
3020-00-925-4440INTERCHANGEABLE
GEAR,SPUR
72S11-25A4-4
5950-00-931-1520INTERCHANGEABLE
TRANSFORMER,POWER
JS344

Frequently Asked Questions

What is NSN 3020-00-904-5161?

NSN 3020-00-904-5161 is a Gear,spur, manufactured by Raytheon Co, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-904-5161?

NSN 3020-00-904-5161 has 9 cross-referenced part numbers: R21-42 (Designatronics Incorporated Div Sterling Instruments Div), GC14-42P1 (Secs Inc), H1-42 (Roller Bearing Co of America, Inc Div Pic Design), 48S11-42C8-4 (Alliant Techsystems Inc Ordnance Systems Div), 48S11-42C8-4 (Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis) and 4 more.

What NSN replaces 3020-00-904-5161?

There are 12 known substitutes for 3020-00-904-5161: 3020-00-236-6468, 3020-00-540-7731, 3020-00-580-7965 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E618190?

Key specifications for E618190: Tooth Form: STANDARD; Nominal Distance Between Body Face and Protruding Hub End: 0.281 INCHES FIRST END IN; Hub Nominal Diameter: 0.312 INCHES FIRST END IN; Face Nominal Width: 0.125 INCHES IN. 19 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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