PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

60-551Pump Unit,rotary

Hydro-Aire Aerospace Corp · NSN 4320-00-631-4859 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-631-4859 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-631-4859. Primary manufacturer part number: 60-551.
Features
  • Pump Unit,rotary — FSC 4320
  • 8 verified cross-references
  • Primary manufacturer: Hydro-Aire Aerospace Corp
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,rotary, cataloged under National Stock Number 4320-00-631-4859, 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 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NamePump Unit,rotary
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersHydro-Aire Aerospace Corp (CAGE 81982); Lockheed Martin Corp (CAGE 98897); Ontic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934); Meggitt North Hollywood Inc (CAGE 79318); Jednolity Indeks Materialowy - Uniform Material Index (CAGE 9009H)
Technical Specifications
ParameterValue
NSN4320-00-631-4859
Primary Part Number60-551
Item NamePump Unit,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5310-00-039-6127 INTERCHANGEABLE
Washer,flat
6680-00-122-471211636001 INTERCHANGEABLE
Gauge,power Pack Pump
U S Army Tank Automotive Command Amsta-Im-Mm
6625-00-240-548717B3 INTERCHANGEABLE
Meter,special Scale
Horizon Aerospace Llc Dba Magnetics Division
5307-01-677-044760551 INTERCHANGEABLE
Stud,drive,powder Actuated
Te-Co Manufacturing Llc Dba Te-Co Manufacturing Llc
1005-01-705-0022115385 INTERCHANGEABLE
Carrier,bolt
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
60-5851 Hydro-Aire Aerospace Corp (USA)
60-551 PRIMARY Hydro-Aire Aerospace Corp (USA)
695592-3 Lockheed Martin Corp (USA)
123488-010-01 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
115715 Meggitt North Hollywood Inc (USA)
4320PL1066764 Jednolity Indeks Materialowy - Uniform Material Index (POL)
115385 Meggitt North Hollywood Inc (USA)
695592-1 Lockheed Martin Corp (USA)
Related Parts
5310-00-039-6127INTERCHANGEABLE
WASHER,FLAT
6680-00-122-4712INTERCHANGEABLE
GAUGE,POWER PACK PUMP
11636001
6625-00-240-5487INTERCHANGEABLE
METER,SPECIAL SCALE
17B3
5307-01-677-0447INTERCHANGEABLE
STUD,DRIVE,POWDER ACTUATED
60551
1005-01-705-0022INTERCHANGEABLE
CARRIER,BOLT
115385

Frequently Asked Questions

What is NSN 4320-00-631-4859?

NSN 4320-00-631-4859 is a Pump Unit,rotary, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-00-631-4859?

NSN 4320-00-631-4859 has 8 cross-referenced part numbers: 60-5851 (Hydro-Aire Aerospace Corp), 60-551 (Hydro-Aire Aerospace Corp), 695592-3 (Lockheed Martin Corp), 123488-010-01 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 115715 (Meggitt North Hollywood Inc) and 3 more.

What NSN replaces 4320-00-631-4859?

There are 5 known substitutes for 4320-00-631-4859: 5310-00-039-6127, 6680-00-122-4712, 6625-00-240-5487 and 2 more. Verify interchangeability with system specifications before substitution.

Is NSN 4320-00-631-4859 still in active supply?

NSN 4320-00-631-4859 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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