PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33-25Mixer,liquid,revolving Shaft

Lightnin a Unit of General Signal Corp · NSN 4940-00-816-1951 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-816-1951 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-816-1951. Primary manufacturer part number: 33-25.
Features
  • Mixer,liquid,revolving Shaft — FSC 4940
  • Shaft Length: 40.000 INCHES NOMINAL IN
  • Blade Quantity: 3
  • Horsepower Rating: 0.250
  • Phase: SINGLE
  • Entrance Location: TOP
  • Power Source: ELECTRIC MOTOR
  • Stirrer Diameter: 3.000 INCHES NOMINAL IN
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Mixer,liquid,revolving Shaft, cataloged under National Stock Number 4940-00-816-1951, is classified within Federal Supply Class 4940 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Lightnin a Unit of General Signal Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN4940-00-816-1951
Primary Part Number33-25
Item NameMixer,liquid,revolving Shaft
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerLightnin a Unit of General Signal Corp
StatusACTIVE
Shaft Length40.000 INCHES NOMINAL IN
Blade Quantity3
Horsepower Rating0.250
PhaseSINGLE
Entrance LocationTOP
Power SourceELECTRIC MOTOR
Stirrer Diameter3.000 INCHES NOMINAL IN
Stirrer TypePROPELLER
Mounting MethodFLANGE
Stirrer Quantity2
Frequency in Hertz60.0
Shaft Speed in RPM1750.0 NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-014-4615B687R-96B INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
2940-00-076-2597136500 INTERCHANGEABLE
Filter Element,fluid
Cummins Inc.
4320-00-738-44243325/950 INTERCHANGEABLE
Pump,reciprocating
Circor Pumps North America Llc
5950-00-767-51283325 INTERCHANGEABLE
Transformer,pulse
Howmet Global Fastening Systems Inc Div Torrance Operations
5120-00-892-59945120-892-5994 INTERCHANGEABLE
Blade,socket Head Screw Key
General Services Administration Federal Supply Service
6750-00-936-9860 INTERCHANGEABLE
Paper,photographic
8730-00-963-3138 INTERCHANGEABLE
Seed Grass
5935-00-993-23723325C INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
7030-01-015-6222 INTERCHANGEABLE
Tape,computer
6640-01-034-04794200MILITARYVERSION INTERCHANGEABLE
Counting Apparatus,bacterial Col
Orbeco-Hellige, Inc.
Cross-Reference Index
Part NumberManufacturer
33-25 PRIMARY Lightnin a Unit of General Signal Corp (USA)
Related Parts
4730-00-014-4615INTERCHANGEABLE
NIPPLE,PIPE
B687R-96B
2940-00-076-2597INTERCHANGEABLE
FILTER ELEMENT,FLUID
136500
4320-00-738-4424INTERCHANGEABLE
PUMP,RECIPROCATING
3325/950
5950-00-767-5128INTERCHANGEABLE
TRANSFORMER,PULSE
3325
5120-00-892-5994INTERCHANGEABLE
BLADE,SOCKET HEAD SCREW KEY
5120-892-5994
6750-00-936-9860INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
8730-00-963-3138INTERCHANGEABLE
SEED GRASS
5935-00-993-2372INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3325C
7030-01-015-6222INTERCHANGEABLE
TAPE,COMPUTER
6640-01-034-0479INTERCHANGEABLE
COUNTING APPARATUS,BACTERIAL COL
4200MILITARYVERSION
5915-01-089-8804INTERCHANGEABLE
FILTER,BAND PASS
3325
6515-01-094-1275INTERCHANGEABLE
BAG,OSTOMY
3325

Frequently Asked Questions

What is NSN 4940-00-816-1951?

NSN 4940-00-816-1951 is a Mixer,liquid,revolving Shaft, manufactured by Lightnin a Unit of General Signal Corp, classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-00-816-1951?

NSN 4940-00-816-1951 has 1 cross-referenced part number: 33-25 (Lightnin a Unit of General Signal Corp).

What NSN replaces 4940-00-816-1951?

There are 12 known substitutes for 4940-00-816-1951: 4730-00-014-4615, 2940-00-076-2597, 4320-00-738-4424 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33-25?

Key specifications for 33-25: Shaft Length: 40.000 INCHES NOMINAL IN; Blade Quantity: 3; Horsepower Rating: 0.250; Phase: SINGLE. 12 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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