PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1726-1Pump,rotary

Dean Industries Ltd · NSN 4320-01-261-1045 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-261-1045 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-261-1045. Primary manufacturer part number: 1726-1.
Features
  • Pump,rotary — FSC 4320
  • Maximum Discharge Flow Rate: 5.0 GALLONS PER MINUTE
  • Pumping Element Operating Position: HORIZONTAL
  • Operation Method: POWERED
  • Intake Connection Quantity: 1
  • Discharge Connection Quantity: 1
  • Media for Which Designed: OIL
  • 1 verified cross-reference
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-01-261-1045, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Dean Industries Ltd. Government technical data includes 6 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-261-1045
Primary Part Number1726-1
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDean Industries Ltd
StatusACTIVE
Maximum Discharge Flow Rate5.0 GALLONS PER MINUTE
Pumping Element Operating PositionHORIZONTAL
Operation MethodPOWERED
Intake Connection Quantity1
Discharge Connection Quantity1
Media for Which DesignedOIL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2530-00-339-5405F13387 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5920-01-056-09011-7-26-1 INTERCHANGEABLE
Fuseholder,block
Celtech Corporation Div Use CAGE 65552 for All Orders
6140-01-110-3855 INTERCHANGEABLE
Battery Assembly
5360-01-161-236417261 INTERCHANGEABLE
Spring
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5360-01-161-597817261 INTERCHANGEABLE
Spring,helical,extension
Whirlpool Corp Dba Whirlpool Corp
3110-01-334-43879116506 INTERCHANGEABLE
Bearing,ball,annular
Sicard a Division of Smi-Snowblast Inc Dba Sicard
5905-01-396-93010172610001 INTERCHANGEABLE
Resistor,fixed,film
Riimic, Llc Dba Sunair Electronics
5961-01-492-65101726-1 INTERCHANGEABLE
Semiconductor Device,photo
Cpi Essco Inc
5930-01-608-85581860-102PQ INTERCHANGEABLE
Switch,rotary
Cole Instrument Corp. Dba Cole Instruments
5305-01-680-747117261 INTERCHANGEABLE
Screw,cap,hexagon Head
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
1726-1 Dean Industries Ltd (USA)
Related Parts
2530-00-339-5405INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
F13387
5920-01-056-0901INTERCHANGEABLE
FUSEHOLDER,BLOCK
1-7-26-1
6140-01-110-3855INTERCHANGEABLE
BATTERY ASSEMBLY
5360-01-161-2364INTERCHANGEABLE
SPRING
17261
5360-01-161-5978INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
17261
3110-01-334-4387INTERCHANGEABLE
BEARING,BALL,ANNULAR
9116506
5905-01-396-9301INTERCHANGEABLE
RESISTOR,FIXED,FILM
0172610001
5961-01-492-6510INTERCHANGEABLE
SEMICONDUCTOR DEVICE,PHOTO
1726-1
5930-01-608-8558INTERCHANGEABLE
SWITCH,ROTARY
1860-102PQ
5305-01-680-7471INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
17261

Frequently Asked Questions

What is NSN 4320-01-261-1045?

NSN 4320-01-261-1045 is a Pump,rotary, manufactured by Dean Industries Ltd, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-261-1045?

NSN 4320-01-261-1045 has 1 cross-referenced part number: 1726-1 (Dean Industries Ltd).

What NSN replaces 4320-01-261-1045?

There are 10 known substitutes for 4320-01-261-1045: 2530-00-339-5405, 5920-01-056-0901, 6140-01-110-3855 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1726-1?

Key specifications for 1726-1: Maximum Discharge Flow Rate: 5.0 GALLONS PER MINUTE; Pumping Element Operating Position: HORIZONTAL; Operation Method: POWERED; Intake Connection Quantity: 1. 6 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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