PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17989Ring,wearing

Coffin Turbo Pump Inc · NSN 4320-01-305-2120 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-305-2120 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-305-2120. Primary manufacturer part number: 17989.
Features
  • Ring,wearing — FSC 4320
  • 2 verified cross-references
  • Primary manufacturer: Coffin Turbo Pump Inc
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-305-2120, 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 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-305-2120
Primary Part Number17989
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5340-00-358-57111603365 INTERCHANGEABLE
Clamp,loop
Chrysler Realty Company Llc Dba Daimler Chrysler
5110-00-994-2948 INTERCHANGEABLE
Blade,knife
5962-01-078-1815932883-6 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
4310-01-167-0948X2-8 INTERCHANGEABLE
Compressor,pump
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5995-01-355-0038 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5315-01-519-0194H3-139 INTERCHANGEABLE
Pin,straight,headless
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
Cross-Reference Index
Part NumberManufacturer
X28 Coffin Turbo Pump Inc (USA)
17989 PRIMARY Coffin Turbo Pump Inc (USA)
Related Parts
5340-00-358-5711INTERCHANGEABLE
CLAMP,LOOP
1603365
5110-00-994-2948INTERCHANGEABLE
BLADE,KNIFE
5962-01-078-1815INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932883-6
4310-01-167-0948INTERCHANGEABLE
COMPRESSOR,PUMP
X2-8
5995-01-355-0038INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5315-01-519-0194INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
H3-139

Frequently Asked Questions

What is NSN 4320-01-305-2120?

NSN 4320-01-305-2120 is a Ring,wearing, manufactured by Coffin Turbo Pump Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-305-2120?

NSN 4320-01-305-2120 has 2 cross-referenced part numbers: X28 (Coffin Turbo Pump Inc), 17989 (Coffin Turbo Pump Inc).

What NSN replaces 4320-01-305-2120?

There are 6 known substitutes for 4320-01-305-2120: 5340-00-358-5711, 5110-00-994-2948, 5962-01-078-1815 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17989?

Key specifications for 17989: End Item Identification: COFFIN TURBO PUMPS TYPE CG CENTRIFUGAL PUMP. 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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