PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L120Gear Assembly,speed Decreaser

Advance Gear & Machine Corp. · NSN 3010-00-540-9348 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-540-9348 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-540-9348. Primary manufacturer part number: L120.
Features
  • Gear Assembly,speed Decreaser — FSC 3010
  • Output Shaft Type: STRAIGHT
  • Total Ratio: 30.0 TO 1
  • Design Type: SINGLE REDUCTION
  • Lubrication System: SPLASH
  • Input Shaft Quantity: 1
  • Input Shaft Type: STRAIGHT
  • Output Shaft Quantity: 1
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-00-540-9348, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Advance Gear & Machine Corp.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-00-540-9348
Primary Part NumberL120
Item NameGear Assembly,speed Decreaser
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerAdvance Gear & Machine Corp.
StatusACTIVE
Output Shaft TypeSTRAIGHT
Total Ratio30.0 TO 1
Design TypeSINGLE REDUCTION
Lubrication SystemSPLASH
Input Shaft Quantity1
Input Shaft TypeSTRAIGHT
Output Shaft Quantity1
Gear TypeWORM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3040-00-248-4565L1-20 INTERCHANGEABLE
Clamp,hub
Roller Bearing Co of America, Inc Div Pic Design
6240-00-939-7859120MB INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Lighting Products Group Hillsboro Miniature Lamp Plant
5998-01-027-3836 INTERCHANGEABLE
Circuit Card Assembly
5306-01-264-3598 INTERCHANGEABLE
Bolt,key Head
6350-01-372-3379L-120 INTERCHANGEABLE
Siren,electric Motor Operated
Federal Signal Corporation
6110-01-442-996910-2260 INTERCHANGEABLE
Panel,power Distribution
L3 Technologies, Inc.
6150-01-494-6299L-120 INTERCHANGEABLE
Load Bank,electrical
Cannon Load Banks, Inc. Dba Cannon Load Banks Inc
4140-01-507-3172107-129 INTERCHANGEABLE
Impeller,fan,centrifugal
Prestolite Electric Inc
5930-01-694-8604L120 INTERCHANGEABLE
Switch,thermostatic
Sealed Unit Parts Co Inc
Cross-Reference Index
Part NumberManufacturer
L120 Advance Gear & Machine Corp. (USA)
343AS145 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
102260 Air Logistics Corporation Dba Air Logistics Corp (USA)
G-102260 Airbus Helicopters Deutschland Gmbh (DEU)
Related Parts
3040-00-248-4565INTERCHANGEABLE
CLAMP,HUB
L1-20
6240-00-939-7859INTERCHANGEABLE
LAMP,INCANDESCENT
120MB
5998-01-027-3836INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5306-01-264-3598INTERCHANGEABLE
BOLT,KEY HEAD
6350-01-372-3379INTERCHANGEABLE
SIREN,ELECTRIC MOTOR OPERATED
L-120
6110-01-442-9969INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
10-2260
6150-01-494-6299INTERCHANGEABLE
LOAD BANK,ELECTRICAL
L-120
4140-01-507-3172INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
107-129
5930-01-694-8604INTERCHANGEABLE
SWITCH,THERMOSTATIC
L120

Frequently Asked Questions

What is NSN 3010-00-540-9348?

NSN 3010-00-540-9348 is a Gear Assembly,speed Decreaser, manufactured by Advance Gear & Machine Corp., classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-540-9348?

NSN 3010-00-540-9348 has 4 cross-referenced part numbers: L120 (Advance Gear & Machine Corp.), 343AS145 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 102260 (Air Logistics Corporation Dba Air Logistics Corp), G-102260 (Airbus Helicopters Deutschland Gmbh).

What NSN replaces 3010-00-540-9348?

There are 9 known substitutes for 3010-00-540-9348: 3040-00-248-4565, 6240-00-939-7859, 5998-01-027-3836 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L120?

Key specifications for L120: Output Shaft Type: STRAIGHT; Total Ratio: 30.0 TO 1; Design Type: SINGLE REDUCTION; Lubrication System: SPLASH. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com