PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6686Shaft Assembly,pump

Coffin Turbo Pump Inc · NSN 4320-00-375-8905 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-375-8905 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-375-8905. Primary manufacturer part number: 6686.
Features
  • Shaft Assembly,pump — 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 Shaft Assembly,pump, cataloged under National Stock Number 4320-00-375-8905, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameShaft Assembly,pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersFmc Corp Turbo Pump Operation (CAGE 13380); Coffin Turbo Pump Inc (CAGE 0APJ5)
Technical Specifications
ParameterValue
NSN4320-00-375-8905
Primary Part Number6686
Item NameShaft Assembly,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5960-00-023-8972 INTERCHANGEABLE
Electron Tube
5815-00-126-41936686 INTERCHANGEABLE
Lever
Telemechanics Inc
4030-00-132-9179 INTERCHANGEABLE
Terminal,rope,swaging
4940-00-490-3856 INTERCHANGEABLE
Cleaner-Bearing Com
3930-01-036-42786686 INTERCHANGEABLE
Accelerator Switch Assembly
Landoll Company, Llc
6520-01-561-6836500-204LF INTERCHANGEABLE
Band,ligature,dental
Henry Schein, Inc.
Cross-Reference Index
Part NumberManufacturer
6686 Fmc Corp Turbo Pump Operation (USA)
6686 PRIMARY Coffin Turbo Pump Inc (USA)
Related Parts
5960-00-023-8972INTERCHANGEABLE
ELECTRON TUBE
5815-00-126-4193INTERCHANGEABLE
LEVER
6686
4030-00-132-9179INTERCHANGEABLE
TERMINAL,ROPE,SWAGING
4940-00-490-3856INTERCHANGEABLE
CLEANER-BEARING COM
3930-01-036-4278INTERCHANGEABLE
ACCELERATOR SWITCH ASSEMBLY
6686
6520-01-561-6836INTERCHANGEABLE
BAND,LIGATURE,DENTAL
500-204LF

Frequently Asked Questions

What is NSN 4320-00-375-8905?

NSN 4320-00-375-8905 is a Shaft Assembly,pump, manufactured by Coffin Turbo Pump Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-375-8905?

NSN 4320-00-375-8905 has 2 cross-referenced part numbers: 6686 (Fmc Corp Turbo Pump Operation), 6686 (Coffin Turbo Pump Inc).

What NSN replaces 4320-00-375-8905?

There are 6 known substitutes for 4320-00-375-8905: 5960-00-023-8972, 5815-00-126-4193, 4030-00-132-9179 and 3 more. Verify interchangeability with system specifications before substitution.

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