PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50444Pump,rotary

Hydro-Aire Aerospace Corp · NSN 4320-00-691-8601 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-691-8601 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-691-8601. Primary manufacturer part number: 50444.
Features
  • Pump,rotary — FSC 4320
  • Pump Rotation Direction: COUNTERCLOCKWISE
  • Rotary Pump Design: GEAR
  • Drive Connection Type: CLOSE COUPLED
  • Intake Connection Type: THREADED INTERNAL
  • Operation Method: POWERED
  • Media for Which Designed: HYDROCARBON FUELS AND OILS
  • Discharge Connection Quantity: 1
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-00-691-8601, 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. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4320-00-691-8601
Primary Part Number50444
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusCANCELLED
Pump Rotation DirectionCOUNTERCLOCKWISE
Rotary Pump DesignGEAR
Drive Connection TypeCLOSE COUPLED
Intake Connection TypeTHREADED INTERNAL
Operation MethodPOWERED
Media for Which DesignedHYDROCARBON FUELS AND OILS
Discharge Connection Quantity1
Intake Connection Quantity1
Drive Shaft TypeSPLINED, STRAIGHT EXTERNAL
Discharge Connection TypeTHREADED INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4730-00-193-0871 INTERCHANGEABLE
Bushing,pipe
6930-00-394-047150444 INTERCHANGEABLE
Pen Arm Assembly
Instruments and Flight Research, Inc.
5330-00-843-8733 INTERCHANGEABLE
Seal,plain Encased
6105-01-178-561950444-1 INTERCHANGEABLE
Motor
Shugart Corp Dba Intl Assembly Specialists
4520-01-331-656550444 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
Cross-Reference Index
Part NumberManufacturer
50444 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
4730-00-193-0871INTERCHANGEABLE
BUSHING,PIPE
6930-00-394-0471INTERCHANGEABLE
PEN ARM ASSEMBLY
50444
5330-00-843-8733INTERCHANGEABLE
SEAL,PLAIN ENCASED
6105-01-178-5619INTERCHANGEABLE
MOTOR
50444-1
4520-01-331-6565INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50444

Frequently Asked Questions

What is NSN 4320-00-691-8601?

NSN 4320-00-691-8601 is a Pump,rotary, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-00-691-8601?

NSN 4320-00-691-8601 has 1 cross-referenced part number: 50444 (Hydro-Aire Aerospace Corp).

What NSN replaces 4320-00-691-8601?

There are 5 known substitutes for 4320-00-691-8601: 4730-00-193-0871, 6930-00-394-0471, 5330-00-843-8733 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50444?

Key specifications for 50444: Pump Rotation Direction: COUNTERCLOCKWISE; Rotary Pump Design: GEAR; Drive Connection Type: CLOSE COUPLED; Intake Connection Type: THREADED INTERNAL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-691-8601 still in active supply?

NSN 4320-00-691-8601 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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