PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41378Gear Rack

Moog Inc. Dba Ampac-Isp Corp · NSN 3020-01-488-5193 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-488-5193 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-488-5193. Primary manufacturer part number: 41378.
Features
  • Gear Rack — FSC 3020
  • Teeth Quantity: 12
  • Material: STEEL COMP 4140 OVERALL
  • Material Document and Classification: AISI4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: ROUND
  • Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
  • Teeth Type: SPUR
  • 3 verified cross-references
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4140 Overall construction
General Description

The Gear Rack, cataloged under National Stock Number 3020-01-488-5193, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-488-5193
Primary Part Number41378
Item NameGear Rack
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerMoog Inc. Dba Ampac-Isp Corp
StatusACTIVE
Teeth Quantity12
MaterialSTEEL COMP 4140 OVERALL
Material Document and ClassificationAISI4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorROUND
Hardness Rating32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
Teeth TypeSPUR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-007-3815986092-1 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
5950-00-230-019941-378 INTERCHANGEABLE
Transformer,radio Frequency
Aladdin Industries Inc
5950-01-008-5500866365-1 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
2910-01-105-5654 INTERCHANGEABLE
Pump,fuel
5962-01-175-440741378 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
2990-01-351-826041378 INTERCHANGEABLE
Pipe,exhaust
Walker Mfg Co
3120-01-487-369541384 INTERCHANGEABLE
Bearing,sleeve
Moog Inc. Dba Ampac-Isp Corp
3120-01-487-371741385 INTERCHANGEABLE
Bearing,sleeve
Moog Inc. Dba Ampac-Isp Corp
5365-01-487-388641394 INTERCHANGEABLE
Plug,machine Thread
Moog Inc. Dba Ampac-Isp Corp
4320-01-487-5446218-41375 ITEM 7 INTERCHANGEABLE
Cylinder Sleeve
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
218-41375 ITEM 3 Moog Inc. Dba Ampac-Isp Corp (USA)
41378 PRIMARY Moog Inc. Dba Ampac-Isp Corp (USA)
218-41375 Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
5950-00-007-3815INTERCHANGEABLE
REACTOR
986092-1
5950-00-230-0199INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
41-378
5950-01-008-5500INTERCHANGEABLE
REACTOR
866365-1
2910-01-105-5654INTERCHANGEABLE
PUMP,FUEL
5962-01-175-4407INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
41378
2990-01-351-8260INTERCHANGEABLE
PIPE,EXHAUST
41378
3120-01-487-3695INTERCHANGEABLE
BEARING,SLEEVE
41384
3120-01-487-3717INTERCHANGEABLE
BEARING,SLEEVE
41385
5365-01-487-3886INTERCHANGEABLE
PLUG,MACHINE THREAD
41394
4320-01-487-5446INTERCHANGEABLE
CYLINDER SLEEVE
218-41375 ITEM 7
3040-01-488-5190INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
41383
3020-01-488-5192INTERCHANGEABLE
GEAR,SPUR
41377

Frequently Asked Questions

What is NSN 3020-01-488-5193?

NSN 3020-01-488-5193 is a Gear Rack, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-488-5193?

NSN 3020-01-488-5193 has 3 cross-referenced part numbers: 218-41375 ITEM 3 (Moog Inc. Dba Ampac-Isp Corp), 41378 (Moog Inc. Dba Ampac-Isp Corp), 218-41375 (Moog Inc. Dba Ampac-Isp Corp).

What NSN replaces 3020-01-488-5193?

There are 12 known substitutes for 3020-01-488-5193: 5950-00-007-3815, 5950-00-230-0199, 5950-01-008-5500 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41378?

Key specifications for 41378: Teeth Quantity: 12; Material: STEEL COMP 4140 OVERALL; Material Document and Classification: AISI4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Style Designator: ROUND. 9 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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