PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-6042Gear,internal

Allard Nazarian Group, Inc. Dba Granite State Manufacturing · NSN 3020-00-972-3191 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-972-3191 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-972-3191. Primary manufacturer part number: 3-6042.
Features
  • Gear,internal — FSC 3020
  • Mounting Hole Type and Quantity: 6 COUNTERBORED AND 6 COUNTERSUNK AND 3 PLAIN AXIALLY THROUGH BODY FIRST END
  • Nominal Overall Length: 1.7495 INCHES IN
  • Hub Style Designator: PLAIN FIRST END
  • Face Nominal Width: 1.4985 INCHES IN
  • Bore Nominal Diameter: 2.5095 INCHES BOTH ENDS IN
  • Hub Nominal Diameter: 4.2500 INCHES FIRST END IN
  • Teeth Type: SPUR
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,internal, cataloged under National Stock Number 3020-00-972-3191, 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 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-972-3191
Primary Part Number3-6042
Item NameGear,internal
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAllard Nazarian Group, Inc. Dba Granite State Manufacturing
StatusACTIVE
Mounting Hole Type and Quantity6 COUNTERBORED AND 6 COUNTERSUNK AND 3 PLAIN AXIALLY THROUGH BODY FIRST END
Nominal Overall Length1.7495 INCHES IN
Hub Style DesignatorPLAIN FIRST END
Face Nominal Width1.4985 INCHES IN
Bore Nominal Diameter2.5095 INCHES BOTH ENDS IN
Hub Nominal Diameter4.2500 INCHES FIRST END IN
Teeth TypeSPUR
Mounting Hole Nominal Diameter0.7500 INCHES AND 0.2500 INCHES AND 0.6245 INCHES AND 1.3775 INCHES AXIALLY THROUGH BODY FIRST END IN
Bore StylePLAIN BOTH ENDS
Tooth FormSTANDARD
Pressure Angle22.5000 DEGREES
Teeth Quantity18
Nominal Outside Diameter11.2500 INCHES IN
Attachment MethodMOUNTING HOLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-208-340536042 INTERCHANGEABLE
Nut,plain,round
Vse Aviation, Inc.
5331-01-389-124136042 INTERCHANGEABLE
O-Ring
Wilshire Corp
Cross-Reference Index
Part NumberManufacturer
3-6042 PRIMARY Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
Related Parts
5310-00-208-3405INTERCHANGEABLE
NUT,PLAIN,ROUND
36042
5331-01-389-1241INTERCHANGEABLE
O-RING
36042

Frequently Asked Questions

What is NSN 3020-00-972-3191?

NSN 3020-00-972-3191 is a Gear,internal, 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 3020-00-972-3191?

NSN 3020-00-972-3191 has 1 cross-referenced part number: 3-6042 (Allard Nazarian Group, Inc. Dba Granite State Manufacturing).

What NSN replaces 3020-00-972-3191?

There are 2 known substitutes for 3020-00-972-3191: 5310-00-208-3405, 5331-01-389-1241. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-6042?

Key specifications for 3-6042: Mounting Hole Type and Quantity: 6 COUNTERBORED AND 6 COUNTERSUNK AND 3 PLAIN AXIALLY THROUGH BODY FIRST END; Nominal Overall Length: 1.7495 INCHES IN; Hub Style Designator: PLAIN FIRST END; Face Nominal Width: 1.4985 INCHES IN. 14 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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