PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U1-2Gear Assembly,speed Decreaser

Roller Bearing Co of America, Inc Div Pic Design · NSN 3010-00-575-6840 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-575-6840 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-575-6840. Primary manufacturer part number: U1-2.
Features
  • Gear Assembly,speed Decreaser — FSC 3010
  • Output Shaft Quantity: 1
  • Output Shaft Type: STRAIGHT
  • Total Ratio: 20.19 TO 1
  • Lubrication System: SPLASH
  • Input Shaft Quantity: 1
  • Gear Type: SPUR
  • Design Type: SINGLE REDUCTION
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-00-575-6840, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN3010-00-575-6840
Primary Part NumberU1-2
Item NameGear Assembly,speed Decreaser
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Output Shaft Quantity1
Output Shaft TypeSTRAIGHT
Total Ratio20.19 TO 1
Lubrication SystemSPLASH
Input Shaft Quantity1
Gear TypeSPUR
Design TypeSINGLE REDUCTION
Input Shaft TypeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3120-00-061-550210180302-3 INTERCHANGEABLE
Bearing,washer,thrust
Us Army Aviation and Missile Command
6650-00-106-9592U12 INTERCHANGEABLE
Viewer,monochromatic Reflex Inte
Van Keuren
3110-00-144-8869R-200ZZSD502RDA1P15LY48U INTERCHANGEABLE
Bearing,ball,annular
New Hampshire Ball Bearings Inc Div Precision Division
5950-00-243-4391 INTERCHANGEABLE
Coil,electrical
5950-00-520-2693 INTERCHANGEABLE
Transformer,power
5905-00-681-5551534027-5 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Raytheon Company Dba Raytheon
5120-01-036-66646721-043-0001 INTERCHANGEABLE
Key,reset,combination Lock
Sargent & Greenleaf Inc
5950-01-083-4039 INTERCHANGEABLE
Transformer,power
3120-01-187-95857-317236816 INTERCHANGEABLE
Bearing,washer,thrust
Ggb Llc
Cross-Reference Index
Part NumberManufacturer
DU12 Allied Devices Corp Dba Absolute Precision Co (USA)
RX10-2 W. M. Berg, Inc. (USA)
U1-2 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
2601933-2 Alliant Techsystems Operations Llc Div Defense Electronic Systems (USA)
GCX-R1-2 Nordex Inc (USA)
Related Parts
3120-00-061-5502INTERCHANGEABLE
BEARING,WASHER,THRUST
10180302-3
6650-00-106-9592INTERCHANGEABLE
VIEWER,MONOCHROMATIC REFLEX INTE
U12
3110-00-144-8869INTERCHANGEABLE
BEARING,BALL,ANNULAR
R-200ZZSD502RDA1P15LY48U
5950-00-243-4391INTERCHANGEABLE
COIL,ELECTRICAL
5950-00-520-2693INTERCHANGEABLE
TRANSFORMER,POWER
5905-00-681-5551INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
534027-5
5120-01-036-6664INTERCHANGEABLE
KEY,RESET,COMBINATION LOCK
6721-043-0001
5950-01-083-4039INTERCHANGEABLE
TRANSFORMER,POWER
3120-01-187-9585INTERCHANGEABLE
BEARING,WASHER,THRUST
7-317236816

Frequently Asked Questions

What is NSN 3010-00-575-6840?

NSN 3010-00-575-6840 is a Gear Assembly,speed Decreaser, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-575-6840?

NSN 3010-00-575-6840 has 5 cross-referenced part numbers: DU12 (Allied Devices Corp Dba Absolute Precision Co), RX10-2 (W. M. Berg, Inc.), U1-2 (Roller Bearing Co of America, Inc Div Pic Design), 2601933-2 (Alliant Techsystems Operations Llc Div Defense Electronic Systems), GCX-R1-2 (Nordex Inc).

What NSN replaces 3010-00-575-6840?

There are 9 known substitutes for 3010-00-575-6840: 3120-00-061-5502, 6650-00-106-9592, 3110-00-144-8869 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of U1-2?

Key specifications for U1-2: Output Shaft Quantity: 1; Output Shaft Type: STRAIGHT; Total Ratio: 20.19 TO 1; 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.
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