PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6519142Pump,reciprocating

Naval Sea Systems Command · NSN 4320-01-699-9726 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-699-9726 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-699-9726. Primary manufacturer part number: 6519142.
Features
  • Pump,reciprocating — FSC 4320
  • 3 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,reciprocating, cataloged under National Stock Number 4320-01-699-9726, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Naval Sea Systems Command. This item has 3 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.

Catalog Facts
Item NamePump,reciprocating
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersNaval Sea Systems Command (CAGE 53711); Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (CAGE 16603)
Technical Specifications
ParameterValue
NSN4320-01-699-9726
Primary Part Number6519142
Item NamePump,reciprocating
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4320-00-454-93386519142-1 INTERCHANGEABLE
Pump,reciprocating
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
6519142 Naval Sea Systems Command (USA)
6519142 Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA)
8288633 PIECE 8 Naval Sea Systems Command (USA)
Related Parts
4320-00-454-9338INTERCHANGEABLE
PUMP,RECIPROCATING
6519142-1

Frequently Asked Questions

What is NSN 4320-01-699-9726?

NSN 4320-01-699-9726 is a Pump,reciprocating, manufactured by Naval Sea Systems Command, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-699-9726?

NSN 4320-01-699-9726 has 3 cross-referenced part numbers: 6519142 (Naval Sea Systems Command), 6519142 (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division), 8288633 PIECE 8 (Naval Sea Systems Command).

What NSN replaces 4320-01-699-9726?

There is 1 known substitute for 4320-01-699-9726: 4320-00-454-9338. Verify interchangeability with system specifications before substitution.

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