PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ADH-2COMDehydrator Unit,nonreactivating

Environmental Technology Inc · NSN 4440-01-446-6904 · FSC 4440 · No Item Name Available
Verified by PartsTable
NSN 4440-01-446-6904 — this item is cataloged by the U.S. Government under National Stock Number 4440-01-446-6904. Primary manufacturer part number: ADH-2COM.
Features
  • Dehydrator Unit,nonreactivating — FSC 4440
  • 2 verified cross-references
  • Primary manufacturer: Environmental Technology Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Dehydrator Unit,nonreactivating, cataloged under National Stock Number 4440-01-446-6904, 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 Environmental Technology Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4440-01-446-6904
Primary Part NumberADH-2COM
Item NameDehydrator Unit,nonreactivating
FSC / FSG4440 / 44 — No Item Name Available
ManufacturerEnvironmental Technology Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-641-39229426-2 INTERCHANGEABLE
Nut,plain,round
Cummins Inc.
5950-01-019-606017479 INTERCHANGEABLE
Transformer,audio Frequency
Robert M. Hadley Company, Inc.
3510-01-151-338417479 INTERCHANGEABLE
Liner,laundry Press
Forenta Lp
4330-01-169-496217479 INTERCHANGEABLE
Filter Body,fluid
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5950-01-279-6208 INTERCHANGEABLE
Transformer,power
4440-01-470-3818 INTERCHANGEABLE
Dehydrator Unit,nonreactivating
6115-01-574-5714174-79 INTERCHANGEABLE
Mgen,repair Kit 5
Hamilton Sundstrand Corporation
Cross-Reference Index
Part NumberManufacturer
ADH-2COM Environmental Technology Inc (USA)
17479 Environmental Technology Inc (USA)
Related Parts
5310-00-641-3922INTERCHANGEABLE
NUT,PLAIN,ROUND
9426-2
5950-01-019-6060INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
17479
3510-01-151-3384INTERCHANGEABLE
LINER,LAUNDRY PRESS
17479
4330-01-169-4962INTERCHANGEABLE
FILTER BODY,FLUID
17479
5950-01-279-6208INTERCHANGEABLE
TRANSFORMER,POWER
4440-01-470-3818INTERCHANGEABLE
DEHYDRATOR UNIT,NONREACTIVATING
6115-01-574-5714INTERCHANGEABLE
MGEN,REPAIR KIT 5
174-79

Frequently Asked Questions

What is NSN 4440-01-446-6904?

NSN 4440-01-446-6904 is a Dehydrator Unit,nonreactivating, manufactured by Environmental Technology Inc, classified under FSC 4440 (No Item Name Available). Status: active.

What are the part numbers for NSN 4440-01-446-6904?

NSN 4440-01-446-6904 has 2 cross-referenced part numbers: ADH-2COM (Environmental Technology Inc), 17479 (Environmental Technology Inc).

What NSN replaces 4440-01-446-6904?

There are 7 known substitutes for 4440-01-446-6904: 5310-00-641-3922, 5950-01-019-6060, 3510-01-151-3384 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ADH-2COM?

Key specifications for ADH-2COM: Special Features: OUTDOOR OR WALL MTG; 0.5 PSIG DISCHARGE PRESSURE; 0.19 SCFM FLOW RATE; -40 F MAX DEW POINT; AUTOMATIC REGENERATION; 120VAC, 50/60 HZ SUPPLY VOLTAGE; 120VAC, 1A SPDT SUMMARY ALARM RELAY;RS-422 COMMUNICATIONS INTERFACE; 1/8 IN. BARBED HOSE FITTING PRESSURE CONNECTION; NO. 6 SCREW SUMMARY ALARM RELAY CONNECTION; 32-130 DEG F OPERATING TEMP; PRESSURE, TEMP, FLOW RATE, DRYING UNIT STATUS AND DUTY CYCLE DISPLAYED; LOW/HIGH PRESSURE, LOW/HIGH TEMP, LOW LINE VOLTAGE OR EXCESSIVE COMPRESSOR OPERATION WARNING/ALARM VAC. 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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