PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3542-81Inlet,pump Impeller

Coffin Turbo Pump Inc · NSN 4320-00-759-5533 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-759-5533 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-759-5533. Primary manufacturer part number: 3542-81.
Features
  • Inlet,pump Impeller — FSC 4320
  • 2 verified cross-references
  • Primary manufacturer: Coffin Turbo Pump Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Inlet,pump Impeller, cataloged under National Stock Number 4320-00-759-5533, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameInlet,pump Impeller
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersFmc Corp (CAGE 22888); Coffin Turbo Pump Inc (CAGE 0APJ5)
Technical Specifications
ParameterValue
NSN4320-00-759-5533
Primary Part Number3542-81
Item NameInlet,pump Impeller
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2530-00-234-29872954347 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Chrysler Realty Company Llc Dba Daimler Chrysler
5330-00-359-9353117080 INTERCHANGEABLE
Gasket
Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global
5340-00-393-7002 INTERCHANGEABLE
Cover,access
2320-00-702-0070 INTERCHANGEABLE
Truck,van
5975-00-892-9256STB9050 INTERCHANGEABLE
Box Connector,electrical
Egs Electrical Group Appleton Div
5940-00-916-2787 INTERCHANGEABLE
Terminal,feedthru
5120-01-585-8236J3542 INTERCHANGEABLE
Wrench,open End
The Stanley Works Dba Stanley Proto
5330-01-595-92203742 INTERCHANGEABLE
Gasket
Pok of North America Inc.
3040-01-666-04313542 INTERCHANGEABLE
Hub,body
Buffalo Turbine Defense Llc
Cross-Reference Index
Part NumberManufacturer
3542 Fmc Corp (USA)
3542-81 PRIMARY Coffin Turbo Pump Inc (USA)
Related Parts
2530-00-234-2987INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
2954347
5330-00-359-9353INTERCHANGEABLE
GASKET
117080
5340-00-393-7002INTERCHANGEABLE
COVER,ACCESS
2320-00-702-0070INTERCHANGEABLE
TRUCK,VAN
5975-00-892-9256INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
STB9050
5940-00-916-2787INTERCHANGEABLE
TERMINAL,FEEDTHRU
5120-01-585-8236INTERCHANGEABLE
WRENCH,OPEN END
J3542
5330-01-595-9220INTERCHANGEABLE
GASKET
3742
3040-01-666-0431INTERCHANGEABLE
HUB,BODY
3542

Frequently Asked Questions

What is NSN 4320-00-759-5533?

NSN 4320-00-759-5533 is a Inlet,pump Impeller, manufactured by Coffin Turbo Pump Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-759-5533?

NSN 4320-00-759-5533 has 2 cross-referenced part numbers: 3542 (Fmc Corp), 3542-81 (Coffin Turbo Pump Inc).

What NSN replaces 4320-00-759-5533?

There are 9 known substitutes for 4320-00-759-5533: 2530-00-234-2987, 5330-00-359-9353, 5340-00-393-7002 and 6 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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