PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5190300Gear,bevel

Naval Sea Systems Command · NSN 3020-01-379-4444 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-379-4444 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-379-4444. Primary manufacturer part number: 5190300.
Features
  • Gear,bevel — FSC 3020
  • Keyway Nominal Width: 0.250 INCHES BOTH ENDS IN
  • Nominal Overall Length: 0.998 INCHES IN
  • Bore Style: W/ KEYWAY BOTH ENDS
  • Material: STEEL COMP 4140 OVERALL
  • Hardness Rating: 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
  • Pitch Diameter: 3.5620 INCHES NOMINAL IN
  • Surface Treatment: PHOSPHATE TEETH
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4140 Overall construction
General Description

The Gear,bevel, cataloged under National Stock Number 3020-01-379-4444, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN3020-01-379-4444
Primary Part Number5190300
Item NameGear,bevel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Keyway Nominal Width0.250 INCHES BOTH ENDS IN
Nominal Overall Length0.998 INCHES IN
Bore StyleW/ KEYWAY BOTH ENDS
MaterialSTEEL COMP 4140 OVERALL
Hardness Rating34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
Pitch Diameter3.5620 INCHES NOMINAL IN
Surface TreatmentPHOSPHATE TEETH
Style DesignatorSIDE FACE, BACK HUB PROTRUDING
Body StylePLAIN, SOLID
Teeth Quantity57
Body Recess Nominal Depth0.183 INCHES FIRST END IN
Teeth TypeSPIRAL
Nominal Outside Diameter3.602 INCHES IN
Tooth DirectionRIGHT
Hub Style DesignatorPLAIN SECOND END
Pitch Angle59.1832 DEGREES
Pressure Angle20.0000 DEGREES
Surface Treatment Document and ClassificationMIL-P-16232 TYPE M CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE TEETH
Nominal Distance Between Body Face and Protruding Hub End0.815 INCHES SECOND END IN
Bore Nominal Diameter1.187 INCHES BOTH ENDS IN
Face Nominal Width0.375 INCHES IN
Hub Nominal Diameter2.000 INCHES SECOND END IN
Nominal Distance From Bore Center to Keyway Bottom0.716 INCHES BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-273-94175190300 INTERCHANGEABLE
Packing Nut
Rolls-Royce Solutions America Inc
4240-01-063-5996 INTERCHANGEABLE
Goggles,industrial
Cross-Reference Index
Part NumberManufacturer
5190300 Translant Inc a Joint Venture (USA)
5190300 PRIMARY Naval Sea Systems Command (USA)
5190300 Raytheon Company (USA)
Related Parts
4730-00-273-9417INTERCHANGEABLE
PACKING NUT
5190300
4240-01-063-5996INTERCHANGEABLE
GOGGLES,INDUSTRIAL

Frequently Asked Questions

What is NSN 3020-01-379-4444?

NSN 3020-01-379-4444 is a Gear,bevel, manufactured by Naval Sea Systems Command, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-379-4444?

NSN 3020-01-379-4444 has 3 cross-referenced part numbers: 5190300 (Translant Inc a Joint Venture), 5190300 (Naval Sea Systems Command), 5190300 (Raytheon Company).

What NSN replaces 3020-01-379-4444?

There are 2 known substitutes for 3020-01-379-4444: 4730-00-273-9417, 4240-01-063-5996. Verify interchangeability with system specifications before substitution.

What are the specifications of 5190300?

Key specifications for 5190300: Keyway Nominal Width: 0.250 INCHES BOTH ENDS IN; Nominal Overall Length: 0.998 INCHES IN; Bore Style: W/ KEYWAY BOTH ENDS; Material: STEEL COMP 4140 OVERALL. 23 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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