PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15981Gear Cluster

Elbitamerica, Inc. · NSN 3020-00-834-7786 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-834-7786 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-834-7786. Primary manufacturer part number: 15981.
Features
  • Gear Cluster — FSC 3020
  • Nominal Outside Diameter: 0.8083 INCHES FIRST GEAR IN
  • Bore Style: PLAIN BOTH ENDS
  • Design Type: SPUR FIRST GEAR
  • Nominal Outside Diameter: 0.500 INCHES SECOND GEAR IN
  • Construction: ASSEMBLED
  • Design Type: SPUR SECOND GEAR
  • 1 verified cross-reference
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-834-7786, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Elbitamerica, Inc.. Government technical data includes 6 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
NSN3020-00-834-7786
Primary Part Number15981
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerElbitamerica, Inc.
StatusACTIVE
Nominal Outside Diameter0.8083 INCHES FIRST GEAR IN
Bore StylePLAIN BOTH ENDS
Design TypeSPUR FIRST GEAR
Nominal Outside Diameter0.500 INCHES SECOND GEAR IN
ConstructionASSEMBLED
Design TypeSPUR SECOND GEAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-00-599-2537MS29513-223 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5950-00-645-3390 INTERCHANGEABLE
Transformer,audio Frequency
5940-00-916-2774 INTERCHANGEABLE
Terminal,stud
5330-01-382-90041598-1 INTERCHANGEABLE
Gasket
Tate Andale, Llc
Cross-Reference Index
Part NumberManufacturer
15981 PRIMARY Elbitamerica, Inc. (USA)
Related Parts
5331-00-599-2537INTERCHANGEABLE
O-RING
MS29513-223
5950-00-645-3390INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5940-00-916-2774INTERCHANGEABLE
TERMINAL,STUD
5330-01-382-9004INTERCHANGEABLE
GASKET
1598-1

Frequently Asked Questions

What is NSN 3020-00-834-7786?

NSN 3020-00-834-7786 is a Gear Cluster, manufactured by Elbitamerica, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-834-7786?

NSN 3020-00-834-7786 has 1 cross-referenced part number: 15981 (Elbitamerica, Inc.).

What NSN replaces 3020-00-834-7786?

There are 4 known substitutes for 3020-00-834-7786: 5331-00-599-2537, 5950-00-645-3390, 5940-00-916-2774 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15981?

Key specifications for 15981: Nominal Outside Diameter: 0.8083 INCHES FIRST GEAR IN; Bore Style: PLAIN BOTH ENDS; Design Type: SPUR FIRST GEAR; Nominal Outside Diameter: 0.500 INCHES SECOND GEAR IN. 6 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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