PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55380Pump Assembly,rotar

Hydro-Aire Aerospace Corp · NSN 4320-00-799-8898 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-799-8898 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-799-8898. Primary manufacturer part number: 55380.
Features
  • Pump Assembly,rotar — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Hydro-Aire Aerospace Corp
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Assembly,rotar, cataloged under National Stock Number 4320-00-799-8898, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. This item has 1 commercial cross-reference 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.

Catalog Facts
Item NamePump Assembly,rotar
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersHydro-Aire Aerospace Corp (CAGE 81982)
Technical Specifications
ParameterValue
NSN4320-00-799-8898
Primary Part Number55380
Item NamePump Assembly,rotar
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-171-39212H3918 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
5935-00-258-99107966 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Eby Group, Llc, the Dba Eby Company Div Eby Company
2805-00-354-770255380 INTERCHANGEABLE
Head,cylinder
H20 Tank Inc U S Motors Div
5985-01-104-4301 INTERCHANGEABLE
Diplexer
5310-01-123-048855380 INTERCHANGEABLE
Nut,plain,hexagon
Sabre Engines Ltd
5340-01-676-503155-380 INTERCHANGEABLE
Bracket,angle
Edmund Optics, Inc
Cross-Reference Index
Part NumberManufacturer
55380 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
5330-00-171-3921INTERCHANGEABLE
SEAL,PLAIN ENCASED
2H3918
5935-00-258-9910INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
7966
2805-00-354-7702INTERCHANGEABLE
HEAD,CYLINDER
55380
5985-01-104-4301INTERCHANGEABLE
DIPLEXER
5310-01-123-0488INTERCHANGEABLE
NUT,PLAIN,HEXAGON
55380
5340-01-676-5031INTERCHANGEABLE
BRACKET,ANGLE
55-380

Frequently Asked Questions

What is NSN 4320-00-799-8898?

NSN 4320-00-799-8898 is a Pump Assembly,rotar, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-799-8898?

NSN 4320-00-799-8898 has 1 cross-referenced part number: 55380 (Hydro-Aire Aerospace Corp).

What NSN replaces 4320-00-799-8898?

There are 6 known substitutes for 4320-00-799-8898: 5330-00-171-3921, 5935-00-258-9910, 2805-00-354-7702 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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