PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D-1477Pump,centrifugal

Cole-Parmer Instrument Company, Llc · NSN 4320-01-256-9874 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-256-9874 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-256-9874. Primary manufacturer part number: D-1477.
Features
  • Pump,centrifugal — FSC 4320
  • Mounting Type: FLANGE
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • Intake Connection Quantity: 1
  • Intake Connection Type: UNTHREADED EXTERNAL
  • Drive Shaft Length: 0.500 INCHES NOMINAL IN
  • Drive Shaft Type: D-TYPE
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,centrifugal, cataloged under National Stock Number 4320-01-256-9874, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Cole-Parmer Instrument Company, Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-256-9874
Primary Part NumberD-1477
Item NamePump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCole-Parmer Instrument Company, Llc
StatusACTIVE
Mounting TypeFLANGE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Intake Connection Quantity1
Intake Connection TypeUNTHREADED EXTERNAL
Drive Shaft Length0.500 INCHES NOMINAL IN
Drive Shaft TypeD-TYPE
Discharge Connection Quantity1
Discharge Connection TypeUNTHREADED EXTERNAL
Pumping Element Operating PositionHORIZONTAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4320-01-679-494850-S INTERCHANGEABLE
Pump Unit,rotary
Greylor Dynesco Co Inc
4320-01-694-2982 INTERCHANGEABLE
Pump Unit,rotary
Cross-Reference Index
Part NumberManufacturer
D-1477 Cole-Parmer Instrument Company, Llc (USA)
D-1477 Cole-Parmer Instrument Co Dba Barnant Co (USA)
Related Parts
4320-01-679-4948INTERCHANGEABLE
PUMP UNIT,ROTARY
50-S
4320-01-694-2982INTERCHANGEABLE
PUMP UNIT,ROTARY

Frequently Asked Questions

What is NSN 4320-01-256-9874?

NSN 4320-01-256-9874 is a Pump,centrifugal, manufactured by Cole-Parmer Instrument Company, Llc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-256-9874?

NSN 4320-01-256-9874 has 2 cross-referenced part numbers: D-1477 (Cole-Parmer Instrument Company, Llc), D-1477 (Cole-Parmer Instrument Co Dba Barnant Co).

What NSN replaces 4320-01-256-9874?

There are 2 known substitutes for 4320-01-256-9874: 4320-01-679-4948, 4320-01-694-2982. Verify interchangeability with system specifications before substitution.

What are the specifications of D-1477?

Key specifications for D-1477: Mounting Type: FLANGE; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY; Intake Connection Quantity: 1. 10 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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