PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H-120Heater,duct Type,portable

Drs Environmental Systems Inc · NSN 4520-01-367-2739 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-367-2739 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-367-2739. Primary manufacturer part number: H-120.
Features
  • Heater,duct Type,portable — FSC 4520
  • Heat Delivery Rate: 120000.0 BRITISH THERMAL UNIT
  • 3 verified cross-references
  • Primary manufacturer: Drs Environmental Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,duct Type,portable, cataloged under National Stock Number 4520-01-367-2739, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Drs Environmental Systems Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-367-2739
Primary Part NumberH-120
Item NameHeater,duct Type,portable
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerDrs Environmental Systems Inc
StatusACTIVE
Heat Delivery Rate120000.0 BRITISH THERMAL UNIT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2520-00-141-3171HC-120 INTERCHANGEABLE
Breather
Hydro-Craft, Inc.
3020-00-204-2122GC14-20 INTERCHANGEABLE
Gear,spur
Secs Inc
4320-00-308-6747G10194PC94 INTERCHANGEABLE
Adapter Assembly with Zerk Fitti
Siemens Energy, Inc.
5360-00-454-0409H120 INTERCHANGEABLE
Spring
Uhan Bros P O Box 264 Wellston Mi 49689
5310-00-469-3699H120 INTERCHANGEABLE
Washer,saddle
Abb Installation Products Inc
7520-00-579-90539053 INTERCHANGEABLE
Dispenser,pressure Sensitive Adh
Safina Office Products, Inc. Dba Safina Office Products Inc
5905-01-077-4826 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5996-01-598-6274600-00100 INTERCHANGEABLE
Amplifier,trigger Pulse
North Star Scientific Corp
Cross-Reference Index
Part NumberManufacturer
H-120 Drs Environmental Systems Inc (USA)
H-120 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
60000-100 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
Related Parts
2520-00-141-3171INTERCHANGEABLE
BREATHER
HC-120
3020-00-204-2122INTERCHANGEABLE
GEAR,SPUR
GC14-20
4320-00-308-6747INTERCHANGEABLE
ADAPTER ASSEMBLY WITH ZERK FITTI
G10194PC94
5360-00-454-0409INTERCHANGEABLE
SPRING
H120
5310-00-469-3699INTERCHANGEABLE
WASHER,SADDLE
H120
7520-00-579-9053INTERCHANGEABLE
DISPENSER,PRESSURE SENSITIVE ADH
9053
5905-01-077-4826INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5996-01-598-6274INTERCHANGEABLE
AMPLIFIER,TRIGGER PULSE
600-00100

Frequently Asked Questions

What is NSN 4520-01-367-2739?

NSN 4520-01-367-2739 is a Heater,duct Type,portable, manufactured by Drs Environmental Systems Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-367-2739?

NSN 4520-01-367-2739 has 3 cross-referenced part numbers: H-120 (Drs Environmental Systems Inc), H-120 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), 60000-100 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems).

What NSN replaces 4520-01-367-2739?

There are 8 known substitutes for 4520-01-367-2739: 2520-00-141-3171, 3020-00-204-2122, 4320-00-308-6747 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H-120?

Key specifications for H-120: Heat Delivery Rate: 120000.0 BRITISH THERMAL UNIT. 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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