PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13839Gear,internal

Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc · NSN 3020-01-209-4603 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-209-4603 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-209-4603. Primary manufacturer part number: 13839.
Features
  • Gear,internal — FSC 3020
  • Teeth Quantity: 60
  • Pitch Diameter: 3.0000 INCHES NOMINAL IN
  • Pressure Angle: 20.0000 DEGREES
  • Tooth Form: STANDARD
  • Body Style: PLAIN, SOLID
  • Material Document and Classification: 66AISI/SAE1020 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: PLAIN RING
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 1020 Overall construction
General Description

The Gear,internal, cataloged under National Stock Number 3020-01-209-4603, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc. Government technical data includes 11 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-209-4603
Primary Part Number13839
Item NameGear,internal
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerBae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc
StatusACTIVE
Teeth Quantity60
Pitch Diameter3.0000 INCHES NOMINAL IN
Pressure Angle20.0000 DEGREES
Tooth FormSTANDARD
Body StylePLAIN, SOLID
Material Document and Classification66AISI/SAE1020 FED STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorPLAIN RING
Nominal Outside Diameter3.700 INCHES IN
MaterialSTEEL COMP 1020 OVERALL
Nominal Overall Length1.850 INCHES IN
Teeth TypeSPUR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-005-2523920011-13 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5330-00-432-8374J3170700 INTERCHANGEABLE
Seal,inner
Chrysler Realty Company Llc Dba Daimler Chrysler
4320-00-740-368713839 INTERCHANGEABLE
Ring,wearing
Air & Liquid Systems Corporation Dba Buffalo Pumps
5360-00-784-033013839 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
13839 Amz Alabama Inc. (USA)
13839 PRIMARY Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA)
13839 Warn Industries Inc (USA)
Related Parts
5950-00-005-2523INTERCHANGEABLE
COIL,RADIO FREQUENCY
920011-13
5330-00-432-8374INTERCHANGEABLE
SEAL,INNER
J3170700
4320-00-740-3687INTERCHANGEABLE
RING,WEARING
13839
5360-00-784-0330INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
13839

Frequently Asked Questions

What is NSN 3020-01-209-4603?

NSN 3020-01-209-4603 is a Gear,internal, manufactured by Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-209-4603?

NSN 3020-01-209-4603 has 3 cross-referenced part numbers: 13839 (Amz Alabama Inc.), 13839 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 13839 (Warn Industries Inc).

What NSN replaces 3020-01-209-4603?

There are 4 known substitutes for 3020-01-209-4603: 5950-00-005-2523, 5330-00-432-8374, 4320-00-740-3687 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13839?

Key specifications for 13839: Teeth Quantity: 60; Pitch Diameter: 3.0000 INCHES NOMINAL IN; Pressure Angle: 20.0000 DEGREES; Tooth Form: STANDARD. 12 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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