PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

744688Dehydrator Unit,nonreactivating

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 4440-00-529-4896 · FSC 4440 · No Item Name Available
Verified by PartsTable
NSN 4440-00-529-4896 — this item is cataloged by the U.S. Government under National Stock Number 4440-00-529-4896. Primary manufacturer part number: 744688.
Features
  • Dehydrator Unit,nonreactivating — FSC 4440
  • Accessory Components and Quantity: 1 DESICCANT CARTRIDGE HOLDER;1 MECHANICAL MOISTURE SEPARATOR MTG;1 FRAME
  • 11 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Dehydrator Unit,nonreactivating, cataloged under National Stock Number 4440-00-529-4896, is classified within Federal Supply Class 4440 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4440-00-529-4896
Primary Part Number744688
Item NameDehydrator Unit,nonreactivating
FSC / FSG4440 / 44 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Accessory Components and Quantity1 DESICCANT CARTRIDGE HOLDER;1 MECHANICAL MOISTURE SEPARATOR MTG;1 FRAME
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-054-3328 INTERCHANGEABLE
Washer,lock
3110-00-100-0329572 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
3110-00-100-055226274 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
6240-00-143-31701814 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5930-00-186-0519 INTERCHANGEABLE
Switch,rotary
6810-00-241-1172 INTERCHANGEABLE
Cupric Oxide,powdered
3020-00-244-07564001814 INTERCHANGEABLE
Gear,helical
Agco Corp Parts Opn
5330-00-383-187826274 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5950-00-441-0842BE-02943-001 INTERCHANGEABLE
Transformer,power
Basler Electric Co
5315-00-448-66801814 INTERCHANGEABLE
Pin,straight,headless
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Cross-Reference Index
Part NumberManufacturer
744688 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
301B2130 Motorola Inc. Dba Integrated Information Systems Group (USA)
1814 Aimtron Systems, Llc (USA)
26274 Raytheon Company Dba Raytheon (USA)
Y1814 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
Y1814 Howden Fluid Systems (USA)
301B2130 General Dynamics Mission Systems, Inc. Dba Gdms (USA)
703229 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
756-1985 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
2212 Aimtron Systems, Llc (USA)
1038-1770 Northrop Grumman Systems Corporation (USA)
Related Parts
5310-00-054-3328INTERCHANGEABLE
WASHER,LOCK
3110-00-100-0329INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
572
3110-00-100-0552INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
26274
6240-00-143-3170INTERCHANGEABLE
LAMP,INCANDESCENT
1814
5930-00-186-0519INTERCHANGEABLE
SWITCH,ROTARY
6810-00-241-1172INTERCHANGEABLE
CUPRIC OXIDE,POWDERED
3020-00-244-0756INTERCHANGEABLE
GEAR,HELICAL
4001814
5330-00-383-1878INTERCHANGEABLE
GASKET
26274
5950-00-441-0842INTERCHANGEABLE
TRANSFORMER,POWER
BE-02943-001
5315-00-448-6680INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
1814
6685-00-491-3781INTERCHANGEABLE
TRANSDUCER,PRESSURE
26274
5360-00-550-5592INTERCHANGEABLE
SPRING,HELICAL,TORSION

Frequently Asked Questions

What is NSN 4440-00-529-4896?

NSN 4440-00-529-4896 is a Dehydrator Unit,nonreactivating, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4440 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4440-00-529-4896?

NSN 4440-00-529-4896 has 11 cross-referenced part numbers: 744688 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 301B2130 (Motorola Inc. Dba Integrated Information Systems Group), 1814 (Aimtron Systems, Llc), 26274 (Raytheon Company Dba Raytheon), Y1814 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.) and 6 more.

What NSN replaces 4440-00-529-4896?

There are 12 known substitutes for 4440-00-529-4896: 5310-00-054-3328, 3110-00-100-0329, 3110-00-100-0552 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 744688?

Key specifications for 744688: Accessory Components and Quantity: 1 DESICCANT CARTRIDGE HOLDER;1 MECHANICAL MOISTURE SEPARATOR MTG;1 FRAME. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4440-00-529-4896 still in active supply?

NSN 4440-00-529-4896 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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