PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

509957-1Pump,barrier

Naval Air Warfare Center Aircraft Division Joint Base Jbmdl · NSN 4320-00-085-5583 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-085-5583 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-085-5583. Primary manufacturer part number: 509957-1.
Features
  • Pump,barrier — FSC 4320
  • 6 verified cross-references
  • Primary manufacturer: Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,barrier, cataloged under National Stock Number 4320-00-085-5583, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Naval Air Warfare Center Aircraft Division Joint Base Jbmdl. This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePump,barrier
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersNaval Air Warfare Center Aircraft Division Joint Base Jbmdl (CAGE 80020); Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (CAGE 21439); Tyco Fire Products Lp (CAGE 03670); Rexroth Corp the Mobile Hydraulics Div (CAGE 58114)
Technical Specifications
ParameterValue
NSN4320-00-085-5583
Primary Part Number509957-1
Item NamePump,barrier
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerNaval Air Warfare Center Aircraft Division Joint Base Jbmdl
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-774-22415109571 INTERCHANGEABLE
Gasket
Rolls-Royce Solutions America Inc
4730-01-055-8348221-88 INTERCHANGEABLE
Bushing,pipe
Cnh Industrial America Llc Dba Cnh America
Cross-Reference Index
Part NumberManufacturer
509957 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
P1-9FS2-2R Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA)
NAECDWG509957-1 Tyco Fire Products Lp (USA)
509957-1 PRIMARY Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
P1-9FS2-2-R-03 Rexroth Corp the Mobile Hydraulics Div (USA)
1517-001-189 PRIMARY Rexroth Corp the Mobile Hydraulics Div (USA)
Related Parts
5330-00-774-2241INTERCHANGEABLE
GASKET
5109571
4730-01-055-8348INTERCHANGEABLE
BUSHING,PIPE
221-88

Frequently Asked Questions

What is NSN 4320-00-085-5583?

NSN 4320-00-085-5583 is a Pump,barrier, manufactured by Naval Air Warfare Center Aircraft Division Joint Base Jbmdl, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-085-5583?

NSN 4320-00-085-5583 has 6 cross-referenced part numbers: 509957 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), P1-9FS2-2R (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba), NAECDWG509957-1 (Tyco Fire Products Lp), 509957-1 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), P1-9FS2-2-R-03 (Rexroth Corp the Mobile Hydraulics Div) and 1 more.

What NSN replaces 4320-00-085-5583?

There are 2 known substitutes for 4320-00-085-5583: 5330-00-774-2241, 4730-01-055-8348. Verify interchangeability with system specifications before substitution.

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