PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500HDF-MSDehydrator Unit,nonreactivating

Zeks Air Drier Corp Sub of Kemp Co · NSN 4440-01-381-0234 · FSC 4440 · No Item Name Available
Verified by PartsTable
NSN 4440-01-381-0234 — this item is cataloged by the U.S. Government under National Stock Number 4440-01-381-0234. Primary manufacturer part number: 500HDF-MS.
Features
  • Dehydrator Unit,nonreactivating — FSC 4440
  • 2 verified cross-references
  • Primary manufacturer: Zeks Air Drier Corp Sub of Kemp Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Dehydrator Unit,nonreactivating, cataloged under National Stock Number 4440-01-381-0234, 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 Zeks Air Drier Corp Sub of Kemp Co. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4440-01-381-0234
Primary Part Number500HDF-MS
Item NameDehydrator Unit,nonreactivating
FSC / FSG4440 / 44 — No Item Name Available
ManufacturerZeks Air Drier Corp Sub of Kemp Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-00-009-9260R26125 INTERCHANGEABLE
Spring,special
Deere & Co
4820-01-333-0732223-455 INTERCHANGEABLE
Valve,regulating,system Pressure
Gt Development Corp
2990-01-337-2598223455 INTERCHANGEABLE
Lever Assembly,power-Speed Contr
Briggs and Stratton Corp
4130-01-378-3428M500 INTERCHANGEABLE
Filter Element,air Conditioning
Zeks Air Drier Corp Sub of Kemp Co
Cross-Reference Index
Part NumberManufacturer
500HDF-MS PRIMARY Zeks Air Drier Corp Sub of Kemp Co (USA)
223455 Zeks Air Drier Corp Sub of Kemp Co (USA)
Related Parts
5360-00-009-9260INTERCHANGEABLE
SPRING,SPECIAL
R26125
4820-01-333-0732INTERCHANGEABLE
VALVE,REGULATING,SYSTEM PRESSURE
223-455
2990-01-337-2598INTERCHANGEABLE
LEVER ASSEMBLY,POWER-SPEED CONTR
223455
4130-01-378-3428INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
M500

Frequently Asked Questions

What is NSN 4440-01-381-0234?

NSN 4440-01-381-0234 is a Dehydrator Unit,nonreactivating, manufactured by Zeks Air Drier Corp Sub of Kemp Co, classified under FSC 4440 (No Item Name Available). Status: active.

What are the part numbers for NSN 4440-01-381-0234?

NSN 4440-01-381-0234 has 2 cross-referenced part numbers: 500HDF-MS (Zeks Air Drier Corp Sub of Kemp Co), 223455 (Zeks Air Drier Corp Sub of Kemp Co).

What NSN replaces 4440-01-381-0234?

There are 4 known substitutes for 4440-01-381-0234: 5360-00-009-9260, 4820-01-333-0732, 2990-01-337-2598 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 500HDF-MS?

Key specifications for 500HDF-MS: End Item Identification: AIR DRYER,DEHYDRATOR 150PSI. 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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