PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500189Connector,fluid,pump

B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems · NSN 4320-01-521-2861 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-521-2861 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-521-2861. Primary manufacturer part number: 500189.
Features
  • Connector,fluid,pump — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Electrical interconnection
  • Signal interface mating
General Description

The Connector,fluid,pump, cataloged under National Stock Number 4320-01-521-2861, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameConnector,fluid,pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersB/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems (CAGE 16827)
Technical Specifications
ParameterValue
NSN4320-01-521-2861
Primary Part Number500189
Item NameConnector,fluid,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerB/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-100-0237 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5330-00-286-682449793 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
3010-01-132-7470500189 INTERCHANGEABLE
Coupling,shaft,flexible
Coleman Microwave Co Dba Coleman Microwave Corp Div Coleman Microwave Company
4730-01-138-7476500189-3 INTERCHANGEABLE
Tailpiece,union
Danfoss Power Solutions II, Llc
6665-01-143-458250-0189 INTERCHANGEABLE
Gas Cylinder,calibrator,automati
Bacharach, Inc.
4730-01-284-9111500189 INTERCHANGEABLE
Fitting,lubricant Pressure Relie
Level 10 Industries, Inc. Div Level 10 Industries
6850-01-631-7493500189 INTERCHANGEABLE
Inhibitor,corrosion,vapor Barrie
Tri-Tec Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
500189 PRIMARY B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems (USA)
Related Parts
3110-00-100-0237INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5330-00-286-6824INTERCHANGEABLE
SEAL,PLAIN ENCASED
49793
3010-01-132-7470INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
500189
4730-01-138-7476INTERCHANGEABLE
TAILPIECE,UNION
500189-3
6665-01-143-4582INTERCHANGEABLE
GAS CYLINDER,CALIBRATOR,AUTOMATI
50-0189
4730-01-284-9111INTERCHANGEABLE
FITTING,LUBRICANT PRESSURE RELIE
500189
6850-01-631-7493INTERCHANGEABLE
INHIBITOR,CORROSION,VAPOR BARRIE
500189

Frequently Asked Questions

What is NSN 4320-01-521-2861?

NSN 4320-01-521-2861 is a Connector,fluid,pump, manufactured by B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-521-2861?

NSN 4320-01-521-2861 has 1 cross-referenced part number: 500189 (B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems).

What NSN replaces 4320-01-521-2861?

There are 7 known substitutes for 4320-01-521-2861: 3110-00-100-0237, 5330-00-286-6824, 3010-01-132-7470 and 4 more. Verify interchangeability with system specifications before substitution.

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