PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74000-7Heater,duct Type,portable

Keco Industries, Inc. · NSN 4520-01-542-9186 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-542-9186 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-542-9186. Primary manufacturer part number: 74000-7.
Features
  • Heater,duct Type,portable — FSC 4520
  • Mounting Type: TRAILER
  • 3 verified cross-references
  • Primary manufacturer: Keco Industries, 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 4520-01-542-9186, 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 Keco Industries, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-542-9186
Primary Part Number74000-7
Item NameHeater,duct Type,portable
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerKeco Industries, Inc.
StatusACTIVE
Mounting TypeTRAILER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5920-01-412-2540740007 INTERCHANGEABLE
Discharger,electrostatic
Dayton-Granger, Inc.
5920-01-669-4194 INTERCHANGEABLE
Discharger,electrostatic
Cross-Reference Index
Part NumberManufacturer
74000-7 Keco Industries, Inc. (USA)
74000-7 Hdt Expeditionary Systems Inc (USA)
74000-7 Drs Environmental Systems Inc (USA)
Related Parts
5920-01-412-2540INTERCHANGEABLE
DISCHARGER,ELECTROSTATIC
740007
5920-01-669-4194INTERCHANGEABLE
DISCHARGER,ELECTROSTATIC

Frequently Asked Questions

What is NSN 4520-01-542-9186?

NSN 4520-01-542-9186 is a Heater,duct Type,portable, manufactured by Keco Industries, Inc., classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-542-9186?

NSN 4520-01-542-9186 has 3 cross-referenced part numbers: 74000-7 (Keco Industries, Inc.), 74000-7 (Hdt Expeditionary Systems Inc), 74000-7 (Drs Environmental Systems Inc).

What NSN replaces 4520-01-542-9186?

There are 2 known substitutes for 4520-01-542-9186: 5920-01-412-2540, 5920-01-669-4194. Verify interchangeability with system specifications before substitution.

What are the specifications of 74000-7?

Key specifications for 74000-7: Mounting Type: TRAILER; Part Name Assigned by Controlling Agency: HEATER,DUCT TYPE,PORTABLE,TRAILER MOUNTED,HDU-13/M,CLASS 2. 2 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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