PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S3-26-5Shaft and Pinion

Todd Combustion Inc · NSN 4520-01-040-0176 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-040-0176 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-040-0176. Primary manufacturer part number: S3-26-5.
Features
  • Shaft and Pinion — FSC 4520
  • 3 verified cross-references
  • Primary manufacturer: Todd Combustion Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft and Pinion, cataloged under National Stock Number 4520-01-040-0176, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Todd Combustion Inc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameShaft and Pinion
FSC / FSG4520 — No Item Name Available (FSG 45)
ManufacturersTodd Combustion Inc (CAGE 31923)
Technical Specifications
ParameterValue
NSN4520-01-040-0176
Primary Part NumberS3-26-5
Item NameShaft and Pinion
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerTodd Combustion Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2915-00-029-967532219 INTERCHANGEABLE
Metering Assembly
Collins Engine Nozzles, Inc
3110-01-170-1536S326-5 INTERCHANGEABLE
Bearing,ball,annular
Simmonds Precision Products Inc
6130-01-607-9281TICS.27.10479 INTERCHANGEABLE
Charger,battery
Tribalco Llc
Cross-Reference Index
Part NumberManufacturer
N49677 PC26 Todd Combustion Inc (USA)
S3-26-5 PRIMARY Todd Combustion Inc (USA)
32219 Todd Combustion Inc (USA)
Related Parts
2915-00-029-9675INTERCHANGEABLE
METERING ASSEMBLY
32219
3110-01-170-1536INTERCHANGEABLE
BEARING,BALL,ANNULAR
S326-5
6130-01-607-9281INTERCHANGEABLE
CHARGER,BATTERY
TICS.27.10479

Frequently Asked Questions

What is NSN 4520-01-040-0176?

NSN 4520-01-040-0176 is a Shaft and Pinion, manufactured by Todd Combustion Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-040-0176?

NSN 4520-01-040-0176 has 3 cross-referenced part numbers: N49677 PC26 (Todd Combustion Inc), S3-26-5 (Todd Combustion Inc), 32219 (Todd Combustion Inc).

What NSN replaces 4520-01-040-0176?

There are 3 known substitutes for 4520-01-040-0176: 2915-00-029-9675, 3110-01-170-1536, 6130-01-607-9281. Verify interchangeability with system specifications before substitution.

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