PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50316-3Motor,pump Air Refu

Mission Systems Davenport Inc. · NSN 4320-01-229-1634 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-229-1634 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-229-1634. Primary manufacturer part number: 50316-3.
Features
  • Motor,pump Air Refu — FSC 4320
  • 2 verified cross-references
  • Primary manufacturer: Mission Systems Davenport Inc.
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Mechanical power generation
  • Drive system operation
General Description

The Motor,pump Air Refu, cataloged under National Stock Number 4320-01-229-1634, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Mission Systems Davenport Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameMotor,pump Air Refu
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersParker Hannifin Corporation Div Hydraulic Systems Division (CAGE 93835); Mission Systems Davenport Inc. (CAGE 72429)
Technical Specifications
ParameterValue
NSN4320-01-229-1634
Primary Part Number50316-3
Item NameMotor,pump Air Refu
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerMission Systems Davenport Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4720-00-419-3264440313 INTERCHANGEABLE
Hose Assembly,metallic
Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division
5905-00-435-2021 INTERCHANGEABLE
Resistor,fixed,film
4720-00-695-4819503-0163 INTERCHANGEABLE
Tubing,nonmetallic
Cummins Power Generation Inc.
4710-01-051-586368057 INTERCHANGEABLE
Tube Assy
Hdt Expeditionary Systems Inc
6130-01-606-119968057 INTERCHANGEABLE
Power Supply,uninterruptible
Eaton Corporation
Cross-Reference Index
Part NumberManufacturer
68057 Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
50316-3 PRIMARY Mission Systems Davenport Inc. (USA)
Related Parts
4720-00-419-3264INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
440313
5905-00-435-2021INTERCHANGEABLE
RESISTOR,FIXED,FILM
4720-00-695-4819INTERCHANGEABLE
TUBING,NONMETALLIC
503-0163
4710-01-051-5863INTERCHANGEABLE
TUBE ASSY
68057
6130-01-606-1199INTERCHANGEABLE
POWER SUPPLY,UNINTERRUPTIBLE
68057

Frequently Asked Questions

What is NSN 4320-01-229-1634?

NSN 4320-01-229-1634 is a Motor,pump Air Refu, manufactured by Mission Systems Davenport Inc., classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-229-1634?

NSN 4320-01-229-1634 has 2 cross-referenced part numbers: 68057 (Parker Hannifin Corporation Div Hydraulic Systems Division), 50316-3 (Mission Systems Davenport Inc.).

What NSN replaces 4320-01-229-1634?

There are 5 known substitutes for 4320-01-229-1634: 4720-00-419-3264, 5905-00-435-2021, 4720-00-695-4819 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com