PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10591Pump Unit,rotary

Parker Hannifin Corporation Div Village Marine Tech · NSN 4320-01-538-3637 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-538-3637 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-538-3637. Primary manufacturer part number: 10591.
Features
  • Pump Unit,rotary — FSC 4320
  • 2 verified cross-references
  • Primary manufacturer: Parker Hannifin Corporation Div Village Marine Tech
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,rotary, cataloged under National Stock Number 4320-01-538-3637, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Parker Hannifin Corporation Div Village Marine Tech. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-538-3637
Primary Part Number10591
Item NamePump Unit,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Village Marine Tech
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-227-5954 INTERCHANGEABLE
Drill,twist
5133-00-233-6395 INTERCHANGEABLE
Drill,twist
4520-00-432-339510591 INTERCHANGEABLE
Heating Element,electrical,nonim
Technical Heaters, Inc. Dba Technical Heaters Inc
6625-00-528-80199340-RED INTERCHANGEABLE
Adapter,test
Tektest, Inc Dba E-Z-Hook Div E-Z-Hook, Division of Tektest, Inc.
5330-01-018-7149 INTERCHANGEABLE
Gasket
5331-01-028-08162-012N103-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5930-01-256-156310591 INTERCHANGEABLE
Switch,push-Pull
Windham Lifts Inc
5310-01-274-449410591 INTERCHANGEABLE
Washer,spring Tension
Auto Vehicle Parts Co Dba Au-Ve-Co
6150-01-300-243511136 INTERCHANGEABLE
Wiring Harness
Usi Inc
4730-01-466-397610591 INTERCHANGEABLE
Restrictor,fluid Flow
North American Controls Inc Dba North American Controls Inc
Cross-Reference Index
Part NumberManufacturer
10591 PRIMARY Parker Hannifin Corporation Div Village Marine Tech (USA)
10500 ITEM 45 Parker Hannifin Corporation Div Village Marine Tech (USA)
Related Parts
5133-00-227-5954INTERCHANGEABLE
DRILL,TWIST
5133-00-233-6395INTERCHANGEABLE
DRILL,TWIST
4520-00-432-3395INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
10591
6625-00-528-8019INTERCHANGEABLE
ADAPTER,TEST
9340-RED
5330-01-018-7149INTERCHANGEABLE
GASKET
5331-01-028-0816INTERCHANGEABLE
O-RING
2-012N103-70
5930-01-256-1563INTERCHANGEABLE
SWITCH,PUSH-PULL
10591
5310-01-274-4494INTERCHANGEABLE
WASHER,SPRING TENSION
10591
6150-01-300-2435INTERCHANGEABLE
WIRING HARNESS
11136
4730-01-466-3976INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
10591
2590-01-496-5997INTERCHANGEABLE
BRACKET,VEHICULAR COMPONENTS
1059-1
6525-01-571-1654INTERCHANGEABLE
CARD,TEMPERATURE SENSE
455014003081

Frequently Asked Questions

What is NSN 4320-01-538-3637?

NSN 4320-01-538-3637 is a Pump Unit,rotary, manufactured by Parker Hannifin Corporation Div Village Marine Tech, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-538-3637?

NSN 4320-01-538-3637 has 2 cross-referenced part numbers: 10591 (Parker Hannifin Corporation Div Village Marine Tech), 10500 ITEM 45 (Parker Hannifin Corporation Div Village Marine Tech).

What NSN replaces 4320-01-538-3637?

There are 12 known substitutes for 4320-01-538-3637: 5133-00-227-5954, 5133-00-233-6395, 4520-00-432-3395 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10591?

Key specifications for 10591: End Item Identification: APVD ECP 513-01B-C026. 1 total characteristics are documented in the Federal Logistics Information System.

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