PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51-6-16Gear,helical

Allard Nazarian Group, Inc. Dba Granite State Manufacturing · NSN 3020-00-294-6142 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-294-6142 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-294-6142. Primary manufacturer part number: 51-6-16.
Features
  • Gear,helical — FSC 3020
  • Body Style: PLAIN, SOLID
  • Bolt Hole Circle Nominal Diameter: 8.125 INCHES AXIALLY THROUGH BODY FIRST END IN
  • Tooth Form: STANDARD
  • Teeth Type: SINGLE HELIX
  • Bore Nominal Diameter: 7.563 INCHES BOTH ENDS IN
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Outside Diameter: 9.057 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-294-6142, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Allard Nazarian Group, Inc. Dba Granite State Manufacturing. Government technical data includes 21 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-294-6142
Primary Part Number51-6-16
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAllard Nazarian Group, Inc. Dba Granite State Manufacturing
StatusACTIVE
Body StylePLAIN, SOLID
Bolt Hole Circle Nominal Diameter8.125 INCHES AXIALLY THROUGH BODY FIRST END IN
Tooth FormSTANDARD
Teeth TypeSINGLE HELIX
Bore Nominal Diameter7.563 INCHES BOTH ENDS IN
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Outside Diameter9.057 INCHES IN
Precision ClassificationULTRA PRECISION CLASS 1
Style DesignatorHUBLESS
Mounting Hole Type and Quantity6 COUNTERBORED AXIALLY THROUGH BODY FIRST END
Helix Angle19.4667 DEGREES
Tooth DirectionRIGHT
Pressure Angle20.0000 DEGREES
Attachment MethodMOUNTING HOLE
Teeth Quantity288
Mounting Hole Nominal Diameter0.196 INCHES AXIALLY THROUGH BODY FIRST END IN
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 410 OVERALL
Face Nominal Width0.480 INCHES IN
Pitch Diameter9.0000 INCHES NOMINAL IN
Bore StylePLAIN BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-122-174451616 INTERCHANGEABLE
Coil,radio Frequency
Cae Inc
5210-00-221-1945436.1RL-3 INTERCHANGEABLE
Caliper,micrometer,outside
L.s. Starrett Company (the) Div Tool Division
4730-00-222-192046218PC13 INTERCHANGEABLE
Nut,tube Coupling
Naval Ship Systems Command
5120-01-428-514051-616 INTERCHANGEABLE
Hammer,hand
The Stanley Works Dba Stanley Proto
Cross-Reference Index
Part NumberManufacturer
51-6-16 PRIMARY Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
Related Parts
5950-00-122-1744INTERCHANGEABLE
COIL,RADIO FREQUENCY
51616
5210-00-221-1945INTERCHANGEABLE
CALIPER,MICROMETER,OUTSIDE
436.1RL-3
4730-00-222-1920INTERCHANGEABLE
NUT,TUBE COUPLING
46218PC13
5120-01-428-5140INTERCHANGEABLE
HAMMER,HAND
51-616

Frequently Asked Questions

What is NSN 3020-00-294-6142?

NSN 3020-00-294-6142 is a Gear,helical, manufactured by Allard Nazarian Group, Inc. Dba Granite State Manufacturing, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-294-6142?

NSN 3020-00-294-6142 has 1 cross-referenced part number: 51-6-16 (Allard Nazarian Group, Inc. Dba Granite State Manufacturing).

What NSN replaces 3020-00-294-6142?

There are 4 known substitutes for 3020-00-294-6142: 5950-00-122-1744, 5210-00-221-1945, 4730-00-222-1920 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51-6-16?

Key specifications for 51-6-16: Body Style: PLAIN, SOLID; Bolt Hole Circle Nominal Diameter: 8.125 INCHES AXIALLY THROUGH BODY FIRST END IN; Tooth Form: STANDARD; Teeth Type: SINGLE HELIX. 22 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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