PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12283Impeller,pump,centrifugal

Air & Liquid Systems Corporation Dba Buffalo Pumps · NSN 4320-01-198-0952 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-198-0952 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-198-0952. Primary manufacturer part number: 12283.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Design Type: SINGLE WIDTH
  • Overall Diameter: 11.625 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • Rotation Direction for Which Designed: CLOCKWISE OR COUNTERCLOCKWISE
  • 5 verified cross-references
  • Primary manufacturer: Air & Liquid Systems Corporation Dba Buffalo Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Copper Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-198-0952, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Air & Liquid Systems Corporation Dba Buffalo Pumps. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, 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
NSN4320-01-198-0952
Primary Part Number12283
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerAir & Liquid Systems Corporation Dba Buffalo Pumps
StatusACTIVE
Design TypeSINGLE WIDTH
Overall Diameter11.625 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Rotation Direction for Which DesignedCLOCKWISE OR COUNTERCLOCKWISE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5133-00-228-1367 INTERCHANGEABLE
Drill,twist
5930-00-369-8577 INTERCHANGEABLE
Switch Section,rotary
5905-00-984-89703321-441 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Cmc Electronics Inc
4220-01-159-499612283 INTERCHANGEABLE
Blower Housing
Cablescan Inc
4320-01-197-201712268-2 INTERCHANGEABLE
Ring,wearing
Air & Liquid Systems Corporation Dba Buffalo Pumps
5305-01-335-002512283 INTERCHANGEABLE
Screw,shoulder
Aerosonic Llc
5340-01-438-7312 INTERCHANGEABLE
Clamp,loop
5120-01-490-2633122832 INTERCHANGEABLE
Brush,wire,boiler Tube
Ametek Inc
5930-01-665-851612283 INTERCHANGEABLE
Switch,trigger
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
Cross-Reference Index
Part NumberManufacturer
12283 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA10890 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
12283-2 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
12283-2GM11 7-8 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
CA10890 PIECE 3 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
Related Parts
5133-00-228-1367INTERCHANGEABLE
DRILL,TWIST
5930-00-369-8577INTERCHANGEABLE
SWITCH SECTION,ROTARY
5905-00-984-8970INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
3321-441
4220-01-159-4996INTERCHANGEABLE
BLOWER HOUSING
12283
4320-01-197-2017INTERCHANGEABLE
RING,WEARING
12268-2
5305-01-335-0025INTERCHANGEABLE
SCREW,SHOULDER
12283
5340-01-438-7312INTERCHANGEABLE
CLAMP,LOOP
5120-01-490-2633INTERCHANGEABLE
BRUSH,WIRE,BOILER TUBE
122832
5930-01-665-8516INTERCHANGEABLE
SWITCH,TRIGGER
12283

Frequently Asked Questions

What is NSN 4320-01-198-0952?

NSN 4320-01-198-0952 is a Impeller,pump,centrifugal, manufactured by Air & Liquid Systems Corporation Dba Buffalo Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-198-0952?

NSN 4320-01-198-0952 has 5 cross-referenced part numbers: 12283 (Air & Liquid Systems Corporation Dba Buffalo Pumps), CA10890 (Air & Liquid Systems Corporation Dba Buffalo Pumps), 12283-2 (Air & Liquid Systems Corporation Dba Buffalo Pumps), 12283-2GM11 7-8 (Air & Liquid Systems Corporation Dba Buffalo Pumps), CA10890 PIECE 3 (Air & Liquid Systems Corporation Dba Buffalo Pumps).

What NSN replaces 4320-01-198-0952?

There are 9 known substitutes for 4320-01-198-0952: 5133-00-228-1367, 5930-00-369-8577, 5905-00-984-8970 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12283?

Key specifications for 12283: Design Type: SINGLE WIDTH; Overall Diameter: 11.625 INCHES NOMINAL IN; Material: COPPER ALLOY; Rotation Direction for Which Designed: CLOCKWISE OR COUNTERCLOCKWISE. 5 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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