PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30042-1346Gear Cluster

Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co · NSN 3020-01-181-6740 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-181-6740 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-181-6740. Primary manufacturer part number: 30042-1346.
Features
  • Gear Cluster — FSC 3020
  • Design Type: HELICAL ALL GEARS
  • 2 verified cross-references
  • Primary manufacturer: Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Cluster, cataloged under National Stock Number 3020-01-181-6740, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-181-6740
Primary Part Number30042-1346
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRepublic Machinery Co Inc Dba Republic Lagun Machine Tool Co
StatusACTIVE
Design TypeHELICAL ALL GEARS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-0211BT355 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Ntn Bearing Corporation of America
7310-00-238-516430042 INTERCHANGEABLE
Pan,steam Table
The Vollrath Company, L.l.c. Div Vollrath
5325-00-276-42302051878 INTERCHANGEABLE
Grommet,nonmetallic
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
1925-01-171-53503004-2 INTERCHANGEABLE
Tug,harbor,diesel
Us Army Aviation and Missile Command
6240-01-419-5411F26DBX/SPX27/4P INTERCHANGEABLE
Lamp,fluorescent
General Electric Company Dba Ge
6105-01-463-526030042 INTERCHANGEABLE
Motor,direct Current
Hdt Expeditionary Systems Inc
4820-01-578-963330042 INTERCHANGEABLE
Ball,valve,ported
Flowserve Us Inc. Div Flowserve Cookeville Valve Operation
1680-01-708-94543-0042-1 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Triumph Actuation Systems - Yakima, Llc Dba Triumph Actuation Systems - Yakima Llc
Cross-Reference Index
Part NumberManufacturer
30042-1346 PRIMARY Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co (USA)
30042 Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co (USA)
Related Parts
3110-00-100-0211INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
BT355
7310-00-238-5164INTERCHANGEABLE
PAN,STEAM TABLE
30042
5325-00-276-4230INTERCHANGEABLE
GROMMET,NONMETALLIC
2051878
1925-01-171-5350INTERCHANGEABLE
TUG,HARBOR,DIESEL
3004-2
6240-01-419-5411INTERCHANGEABLE
LAMP,FLUORESCENT
F26DBX/SPX27/4P
6105-01-463-5260INTERCHANGEABLE
MOTOR,DIRECT CURRENT
30042
4820-01-578-9633INTERCHANGEABLE
BALL,VALVE,PORTED
30042
1680-01-708-9454INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
3-0042-1

Frequently Asked Questions

What is NSN 3020-01-181-6740?

NSN 3020-01-181-6740 is a Gear Cluster, manufactured by Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-181-6740?

NSN 3020-01-181-6740 has 2 cross-referenced part numbers: 30042-1346 (Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co), 30042 (Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co).

What NSN replaces 3020-01-181-6740?

There are 8 known substitutes for 3020-01-181-6740: 3110-00-100-0211, 7310-00-238-5164, 5325-00-276-4230 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30042-1346?

Key specifications for 30042-1346: Special Features: 20 TEETH AND 36 TEETH; End Item Identification: HIGH SPEED PRECISION LATHE,REPUBLIC-LAGUN CO.,14 AND 16 IN. MODELS IN; Design Type: HELICAL ALL GEARS. 3 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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