PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81-7478Impeller,pump,centrifugal

Coffin Turbo Pump Inc · NSN 4320-00-375-8902 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-375-8902 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-375-8902. Primary manufacturer part number: 81-7478.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • 5 verified cross-references
  • Primary manufacturer: Coffin Turbo Pump Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-375-8902, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Coffin Turbo Pump Inc. This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-375-8902
Primary Part Number81-7478
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-618-5381 INTERCHANGEABLE
Tee,tube
Cross-Reference Index
Part NumberManufacturer
B7478-81 Fmc Corp Turbo Pump Operation (USA)
B7478 Fmc Corp Turbo Pump Operation (USA)
81-7478 PRIMARY Coffin Turbo Pump Inc (USA)
E8256ITEM81 Fmc Corp Turbo Pump Operation (USA)
81-7478 Fmc Corp Turbo Pump Operation (USA)
Related Parts
4730-00-618-5381INTERCHANGEABLE
TEE,TUBE

Frequently Asked Questions

What is NSN 4320-00-375-8902?

NSN 4320-00-375-8902 is a Impeller,pump,centrifugal, manufactured by Coffin Turbo Pump Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-375-8902?

NSN 4320-00-375-8902 has 5 cross-referenced part numbers: B7478-81 (Fmc Corp Turbo Pump Operation), B7478 (Fmc Corp Turbo Pump Operation), 81-7478 (Coffin Turbo Pump Inc), E8256ITEM81 (Fmc Corp Turbo Pump Operation), 81-7478 (Fmc Corp Turbo Pump Operation).

What NSN replaces 4320-00-375-8902?

There is 1 known substitute for 4320-00-375-8902: 4730-00-618-5381. Verify interchangeability with system specifications before substitution.

What are the specifications of 81-7478?

Key specifications for 81-7478: End Item Identification: COFFIN TURBO PUMPS MODELS T,CG,DE AND IND. 1 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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