PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P-550Dehumidifier,space

Altec Air, Llc Dba Altec Llc · NSN 4440-01-551-9126 · FSC 4440 · No Item Name Available
Verified by PartsTable
NSN 4440-01-551-9126 — this item is cataloged by the U.S. Government under National Stock Number 4440-01-551-9126. Primary manufacturer part number: P-550.
Features
  • Dehumidifier,space — FSC 4440
  • Current Rating: 3.500 AMPERES AND 2.000 AMPERES
  • Voltage in Volts and Current Type: 115.0 AC AND 230.0 AC
  • 1 verified cross-reference
  • Primary manufacturer: Altec Air, Llc Dba Altec Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Dehumidifier,space, cataloged under National Stock Number 4440-01-551-9126, 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 Altec Air, Llc Dba Altec Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN4440-01-551-9126
Primary Part NumberP-550
Item NameDehumidifier,space
FSC / FSG4440 / 44 — No Item Name Available
ManufacturerAltec Air, Llc Dba Altec Llc
StatusACTIVE
Current Rating3.500 AMPERES AND 2.000 AMPERES
Voltage in Volts and Current Type115.0 AC AND 230.0 AC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
7350-01-191-51614909800 INTERCHANGEABLE
Cup,disposable
Sysco San Antonio, Inc. Dba Sysco
2530-01-263-2268P-550S INTERCHANGEABLE
Weight,wheel Balancing
Wegmann Automotive Usa Inc.
6625-01-290-3916P-550 INTERCHANGEABLE
Indicator,phase Sequence
Lloyd R Rodenbeck Jr Dba Anloy Technologies
5998-01-516-1877P550 INTERCHANGEABLE
Backplane Assembly
Teledyne Defense Electronics, Llc Dba Teledyne Paradise Datacom
Cross-Reference Index
Part NumberManufacturer
P-550 PRIMARY Altec Air, Llc Dba Altec Llc (USA)
Related Parts
7350-01-191-5161INTERCHANGEABLE
CUP,DISPOSABLE
4909800
2530-01-263-2268INTERCHANGEABLE
WEIGHT,WHEEL BALANCING
P-550S
6625-01-290-3916INTERCHANGEABLE
INDICATOR,PHASE SEQUENCE
P-550
5998-01-516-1877INTERCHANGEABLE
BACKPLANE ASSEMBLY
P550

Frequently Asked Questions

What is NSN 4440-01-551-9126?

NSN 4440-01-551-9126 is a Dehumidifier,space, manufactured by Altec Air, Llc Dba Altec Llc, classified under FSC 4440 (No Item Name Available). Status: active.

What are the part numbers for NSN 4440-01-551-9126?

NSN 4440-01-551-9126 has 1 cross-referenced part number: P-550 (Altec Air, Llc Dba Altec Llc).

What NSN replaces 4440-01-551-9126?

There are 4 known substitutes for 4440-01-551-9126: 7350-01-191-5161, 2530-01-263-2268, 6625-01-290-3916 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P-550?

Key specifications for P-550: Overall Height: 26.000 INCHES NOMINAL IN; Current Rating: 3.500 AMPERES AND 2.000 AMPERES; Special Features: OUTLET PRESSURE RANGE 2-15PSIG; 1/6HP OIL-LESS COMPRESSOR;HEAT-LESS DESICCANT;40-120DEG F AMBIENT OPERATING TEMP RANGE;72DBA AT 10' NOISE LEVEL;1,900 BTU/HR HEAT DISSIPATION DEGF; Voltage in Volts and Current Type: 115.0 AC AND 230.0 AC. 7 total characteristics are documented in the Federal Logistics Information System.

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