PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3671Index,gear Assembly

Kearflex Engineering Company · NSN 6610-01-074-9798 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-01-074-9798 — this item is cataloged by the U.S. Government under National Stock Number 6610-01-074-9798. Primary manufacturer part number: 3671.
Features
  • Index,gear Assembly — FSC 6610
  • 1 verified cross-reference
  • Primary manufacturer: Kearflex Engineering Company
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Index,gear Assembly, cataloged under National Stock Number 6610-01-074-9798, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Kearflex Engineering Company. 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.

Technical Specifications
ParameterValue
NSN6610-01-074-9798
Primary Part Number3671
Item NameIndex,gear Assembly
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerKearflex Engineering Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5120-00-156-09755120-00-156-0975 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
5220-00-214-08313671 INTERCHANGEABLE
Gage,plug,plain Cylindrical
Allison Transmission Inc Dba Allison Transmission, Inc
5120-00-293-00153671 INTERCHANGEABLE
Wrench Set,crowfoot,ratcheting
Wta Tool Llc
4730-00-847-82672214P-4-4 INTERCHANGEABLE
Elbow,pipe to Tube
Parker-Hannifin Corp Div Fluid System Connector Division
5950-01-011-31876140050-7 INTERCHANGEABLE
Transformer,radio Frequency
Viking Technologies, Ltd.
5905-01-090-7663845-4687683-7 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Naval Ship Systems Command
6680-01-575-88783671 INTERCHANGEABLE
Meter,volumetric Positive Displa
Isometrics Inc
Cross-Reference Index
Part NumberManufacturer
3671 PRIMARY Kearflex Engineering Company (USA)
Related Parts
5120-00-156-0975INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-156-0975
5220-00-214-0831INTERCHANGEABLE
GAGE,PLUG,PLAIN CYLINDRICAL
3671
5120-00-293-0015INTERCHANGEABLE
WRENCH SET,CROWFOOT,RATCHETING
3671
4730-00-847-8267INTERCHANGEABLE
ELBOW,PIPE TO TUBE
2214P-4-4
5950-01-011-3187INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6140050-7
5905-01-090-7663INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
845-4687683-7
6680-01-575-8878INTERCHANGEABLE
METER,VOLUMETRIC POSITIVE DISPLA
3671

Frequently Asked Questions

What is NSN 6610-01-074-9798?

NSN 6610-01-074-9798 is a Index,gear Assembly, manufactured by Kearflex Engineering Company, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-01-074-9798?

NSN 6610-01-074-9798 has 1 cross-referenced part number: 3671 (Kearflex Engineering Company).

What NSN replaces 6610-01-074-9798?

There are 7 known substitutes for 6610-01-074-9798: 5120-00-156-0975, 5220-00-214-0831, 5120-00-293-0015 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3671?

Key specifications for 3671: End Item Identification: AIRCRAFT MODEL S-3A A. 1 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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