PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50481Gearcase-Motor

Stone Safety Corp · NSN 3010-00-239-3164 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-239-3164 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-239-3164. Primary manufacturer part number: 50481.
Features
  • Gearcase-Motor — FSC 3010
  • Power Rating: 20.0000 HORSEPOWER OUTPUT
  • Current Type: DC INPUT
  • Current Rating Method: LOAD
  • Speed Control Method and Device Type: ELECTRICAL REMOTE
  • Current Rating in Amps: 73.700 SINGLE OUTPUT
  • Geared Head Output Shaft Speed Rating: 29.200 SINGLE REVOLUTIONS PER MINUTE SINGLE END
  • Enclosure Feature: WATERTIGHT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gearcase-Motor, cataloged under National Stock Number 3010-00-239-3164, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Stone Safety Corp. Government technical data includes 24 verified specifications, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-00-239-3164
Primary Part Number50481
Item NameGearcase-Motor
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerStone Safety Corp
StatusACTIVE
Power Rating20.0000 HORSEPOWER OUTPUT
Current TypeDC INPUT
Current Rating MethodLOAD
Speed Control Method and Device TypeELECTRICAL REMOTE
Current Rating in Amps73.700 SINGLE OUTPUT
Geared Head Output Shaft Speed Rating29.200 SINGLE REVOLUTIONS PER MINUTE SINGLE END
Enclosure FeatureWATERTIGHT
Inclosure SpecificationMIL-STD-108
Temp Rating40.0 OPERATING CELSIUS
Duty CycleINTERMITTENT
Winding TypeCOMPOUND WOUND
Connection Type and Voltage Rating in Volts230.0 LINE TO NEUTRAL SINGLE INPUT
Cooling MethodSELF-VENTILATED
Shaft Center to Mounting Surface Distance12.000 INCHES SINGLE END IN
Shaft Diameter4.0000 INCHES NOMINAL SINGLE END IN
Nominal Center to Center Distance Between Mounting Facilities Parallel to Width19.000 INCHES IN
Shaft End CharacteristicA9 SINGLE STYLE SINGLE END
Length of Shaft From Housing8.000 INCHES SINGLE END IN
Terminal Type and Quantity6 SOLDER LUG
Shaft Rotation DirectionCLOCKWISE OR COUNTERCLOCKWISE SINGLE END
Nominal Center to Center Distance Between Mounting Facilities Parallel to Length21.000 INCHES IN
Geared Head Output Shaft Alignment PositionINLINE W/ARMATURE SINGLE END
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Features ProvidedHORIZONTAL MOUNTING POSITION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3020-00-138-2653 INTERCHANGEABLE
Gear,internal
5935-00-441-50395048-1 INTERCHANGEABLE
Adapter,connector
Microwave Devices Inc
5360-00-447-9003111470HX INTERCHANGEABLE
Spring,helical,compression
Navistar Intl Corp Truck Br Ohio Plant
5961-00-724-7665 INTERCHANGEABLE
Transistor
6625-00-799-597634600 INTERCHANGEABLE
Voltmeter
Evoqua Water Technologies Llc
5930-01-009-624034600 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
2815-01-228-022550481 INTERCHANGEABLE
Rotor Set
Paccar Winch Inc Dba Paccar Winch Division
5330-01-380-2745 INTERCHANGEABLE
Retainer,packing
5330-01-386-735050481 INTERCHANGEABLE
Gasket
Imi Cornelius Inc.
4730-01-432-021950481 INTERCHANGEABLE
Expansion Joint,pipe
Hyspan Precision Products, Inc.
Cross-Reference Index
Part NumberManufacturer
50481 Stone Safety Corp (USA)
34600 Stone Safety Corp (USA)
Related Parts
3020-00-138-2653INTERCHANGEABLE
GEAR,INTERNAL
5935-00-441-5039INTERCHANGEABLE
ADAPTER,CONNECTOR
5048-1
5360-00-447-9003INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
111470HX
5961-00-724-7665INTERCHANGEABLE
TRANSISTOR
6625-00-799-5976INTERCHANGEABLE
VOLTMETER
34600
5930-01-009-6240INTERCHANGEABLE
SWITCH,LIQUID LEVEL
34600
2815-01-228-0225INTERCHANGEABLE
ROTOR SET
50481
5330-01-380-2745INTERCHANGEABLE
RETAINER,PACKING
5330-01-386-7350INTERCHANGEABLE
GASKET
50481
4730-01-432-0219INTERCHANGEABLE
EXPANSION JOINT,PIPE
50481
6020-01-687-4784INTERCHANGEABLE
CABLE ASSEMBLY,FIBER OPTIC
34600

Frequently Asked Questions

What is NSN 3010-00-239-3164?

NSN 3010-00-239-3164 is a Gearcase-Motor, manufactured by Stone Safety Corp, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-239-3164?

NSN 3010-00-239-3164 has 2 cross-referenced part numbers: 50481 (Stone Safety Corp), 34600 (Stone Safety Corp).

What NSN replaces 3010-00-239-3164?

There are 11 known substitutes for 3010-00-239-3164: 3020-00-138-2653, 5935-00-441-5039, 5360-00-447-9003 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50481?

Key specifications for 50481: Overall Length: 61.750 INCHES IN; Power Rating: 20.0000 HORSEPOWER OUTPUT; Current Type: DC INPUT; Current Rating Method: LOAD. 28 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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