PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102561Gear,modified Index

Astronautics Corporation of America · NSN 3020-00-973-7983 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-973-7983 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-973-7983. Primary manufacturer part number: 102561.
Features
  • Gear,modified Index — FSC 3020
  • 1 verified cross-reference
  • Primary manufacturer: Astronautics Corporation of America
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,modified Index, cataloged under National Stock Number 3020-00-973-7983, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Astronautics Corporation of America. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear,modified Index
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersAstronautics Corporation of America (CAGE 10138)
Technical Specifications
ParameterValue
NSN3020-00-973-7983
Primary Part Number102561
Item NameGear,modified Index
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAstronautics Corporation of America
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5895-00-021-8850 INTERCHANGEABLE
Receiver-Transmitter Subassembly
4820-00-092-6563 INTERCHANGEABLE
Valve,plug
5905-00-105-7768 INTERCHANGEABLE
Resistor,fixed,composition
5340-00-110-3749102561 INTERCHANGEABLE
Bracket,angle
Allianz Sweeper Company
5910-00-402-9243 INTERCHANGEABLE
Capacitor,fixed,electrolytic
2915-00-654-3706102-561 INTERCHANGEABLE
Housing Assembly,gear
Hamilton Sundstrand Corporation
4820-01-377-743210256-1 INTERCHANGEABLE
Valve,globe
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Cross-Reference Index
Part NumberManufacturer
102561 PRIMARY Astronautics Corporation of America (USA)
Related Parts
5895-00-021-8850INTERCHANGEABLE
RECEIVER-TRANSMITTER SUBASSEMBLY
4820-00-092-6563INTERCHANGEABLE
VALVE,PLUG
5905-00-105-7768INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5340-00-110-3749INTERCHANGEABLE
BRACKET,ANGLE
102561
5910-00-402-9243INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
2915-00-654-3706INTERCHANGEABLE
HOUSING ASSEMBLY,GEAR
102-561
4820-01-377-7432INTERCHANGEABLE
VALVE,GLOBE
10256-1

Frequently Asked Questions

What is NSN 3020-00-973-7983?

NSN 3020-00-973-7983 is a Gear,modified Index, manufactured by Astronautics Corporation of America, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-973-7983?

NSN 3020-00-973-7983 has 1 cross-referenced part number: 102561 (Astronautics Corporation of America).

What NSN replaces 3020-00-973-7983?

There are 7 known substitutes for 3020-00-973-7983: 5895-00-021-8850, 4820-00-092-6563, 5905-00-105-7768 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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