PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

919940Gear,helical

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 3020-00-230-1062 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-230-1062 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-230-1062. Primary manufacturer part number: 919940.
Features
  • Gear,helical — FSC 3020
  • Body Style: WEBBED, SOLID
  • Hub Style Designator: PLAIN BOTH ENDS
  • Tooth Form: STANDARD
  • Hub Nominal Diameter: 2.750 INCHES SECOND END IN
  • Teeth Quantity: 121
  • Nominal Outside Diameter: 8.4410 INCHES IN
  • Style Designator: FLUSH HUB
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-230-1062, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 15 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-230-1062
Primary Part Number919940
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusACTIVE
Body StyleWEBBED, SOLID
Hub Style DesignatorPLAIN BOTH ENDS
Tooth FormSTANDARD
Hub Nominal Diameter2.750 INCHES SECOND END IN
Teeth Quantity121
Nominal Outside Diameter8.4410 INCHES IN
Style DesignatorFLUSH HUB
Pressure Angle14.5000 DEGREES
Hub Nominal Diameter2.750 INCHES FIRST END IN
Keyway Nominal Width0.375 INCHES BOTH ENDS IN
Pitch Diameter8.3164 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Face Nominal Width0.938 INCHES IN
Tooth DirectionRIGHT
Teeth TypeSINGLE HELIX
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6220-00-299-39994017 INTERCHANGEABLE
Lamp Unit,vehicular
Ktm 2 Llc Dba Arrow Safety Device Company
Cross-Reference Index
Part NumberManufacturer
919940 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
6220-00-299-3999INTERCHANGEABLE
LAMP UNIT,VEHICULAR
4017

Frequently Asked Questions

What is NSN 3020-00-230-1062?

NSN 3020-00-230-1062 is a Gear,helical, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-230-1062?

NSN 3020-00-230-1062 has 1 cross-referenced part number: 919940 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 3020-00-230-1062?

There is 1 known substitute for 3020-00-230-1062: 6220-00-299-3999. Verify interchangeability with system specifications before substitution.

What are the specifications of 919940?

Key specifications for 919940: Body Style: WEBBED, SOLID; Hub Style Designator: PLAIN BOTH ENDS; Tooth Form: STANDARD; Hub Nominal Diameter: 2.750 INCHES SECOND END IN. 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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