PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41550Gear,internal

Tison Engineering Inc · NSN 3020-00-966-6525 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-966-6525 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-966-6525. Primary manufacturer part number: 41550.
Features
  • Gear,internal — FSC 3020
  • Teeth Type: SPUR
  • Tooth Form: STANDARD
  • Pitch Diameter: 0.3630 INCHES NOMINAL IN
  • Teeth Quantity: 36
  • Material Document and Classification: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Outside Diameter: 0.5016 INCHES IN
  • Face Nominal Width: 0.298 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 630 Overall construction
General Description

The Gear,internal, cataloged under National Stock Number 3020-00-966-6525, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Tison Engineering Inc. Government technical data includes 10 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-966-6525
Primary Part Number41550
Item NameGear,internal
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTison Engineering Inc
StatusACTIVE
Teeth TypeSPUR
Tooth FormSTANDARD
Pitch Diameter0.3630 INCHES NOMINAL IN
Teeth Quantity36
Material Document and ClassificationAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Outside Diameter0.5016 INCHES IN
Face Nominal Width0.298 INCHES IN
Style DesignatorPLAIN RING
Body StylePLAIN, SOLID
MaterialSTEEL COMP 630 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6610-00-087-243441550 INTERCHANGEABLE
Indicator,attitude
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
6930-00-394-023541550 INTERCHANGEABLE
Drum Assembly,numbe
Instruments and Flight Research, Inc.
5925-00-410-145330056-40 INTERCHANGEABLE
Circuit Breaker
Cole Hersee Company
8040-01-038-7728 INTERCHANGEABLE
Adhesive
5915-01-189-2811347713-1 INTERCHANGEABLE
Filter,low Pass
Raytheon Company Dba Raytheon
5962-01-203-726741550 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5342-01-237-4129 INTERCHANGEABLE
Clip,special
3020-01-406-227841550 INTERCHANGEABLE
Pulley,groove
Allied Systems Company Dba Allied Systems Co
6750-01-418-2679 INTERCHANGEABLE
Starter,photo
5930-01-716-035841550 INTERCHANGEABLE
Switch,rotary
Viavi Solutionsllc
Cross-Reference Index
Part NumberManufacturer
41550 Tison Engineering Inc (USA)
Related Parts
6610-00-087-2434INTERCHANGEABLE
INDICATOR,ATTITUDE
41550
6930-00-394-0235INTERCHANGEABLE
DRUM ASSEMBLY,NUMBE
41550
5925-00-410-1453INTERCHANGEABLE
CIRCUIT BREAKER
30056-40
8040-01-038-7728INTERCHANGEABLE
ADHESIVE
5915-01-189-2811INTERCHANGEABLE
FILTER,LOW PASS
347713-1
5962-01-203-7267INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41550
5342-01-237-4129INTERCHANGEABLE
CLIP,SPECIAL
3020-01-406-2278INTERCHANGEABLE
PULLEY,GROOVE
41550
6750-01-418-2679INTERCHANGEABLE
STARTER,PHOTO
5930-01-716-0358INTERCHANGEABLE
SWITCH,ROTARY
41550

Frequently Asked Questions

What is NSN 3020-00-966-6525?

NSN 3020-00-966-6525 is a Gear,internal, manufactured by Tison Engineering Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-966-6525?

NSN 3020-00-966-6525 has 1 cross-referenced part number: 41550 (Tison Engineering Inc).

What NSN replaces 3020-00-966-6525?

There are 10 known substitutes for 3020-00-966-6525: 6610-00-087-2434, 6930-00-394-0235, 5925-00-410-1453 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41550?

Key specifications for 41550: Teeth Type: SPUR; Tooth Form: STANDARD; Pitch Diameter: 0.3630 INCHES NOMINAL IN; Teeth Quantity: 36. 10 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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