NSN 4520-01-554-6300 · NIIN 015546300 · Part number 72WH440M
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 7JYX1
Government record, cited
NSN 4520-01-554-6300 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-554-6300. Manufacturer of record part number: 72WH440M.
Also searched as4520-01-554-6300 ·
4520015546300 ·
NIIN 015546300 ·
01-554-6300 ·
FSC 4520 Space and Water Heating Equipment · CAGE 7JYX1 · 72WH440M
Manufacturer of record: Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
Identification
NSN: 4520-01-554-6300
NIIN: 015546300
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 72WH440M
Manufacturer: Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
General Description
The Heater,water,liquid Fuel, cataloged under National Stock Number 4520-01-554-6300, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4520-01-554-6300
Primary Part Number
72WH440M
Item Name
Heater,water,liquid Fuel
FSC / FSG
4520 / 45 — Space and Water Heating Equipment
Manufacturer
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc (USA)
Reference documents
Reference
Meaning
72WH440M
3/9Design control — primary reference
Hdt Expeditionary Systems, Inc.
No interchangeability data on file.
Other items in FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-000-0099
4520-00-000-0099 · Item name not on file
4520-00-001-1240
4520-00-001-1240 · Item name not on file
4520-00-001-3518
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-3519
HEATING ELEMENT,ELECTRICAL,IMMER
4520-00-001-6052
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-6298
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-7726
HEATER,DUCT TYPE,PORTABLE
Frequently Asked Questions
What is NSN 4520-01-554-6300?
NSN 4520-01-554-6300 is a Heater,water,liquid Fuel, manufactured by Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-554-6300?
NSN 4520-01-554-6300 has 1 manufacturer part number on file: 72WH440M (Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc).
What are the specifications of 72WH440M?
Key specifications for 72WH440M: Special Features: USES 2 STRAINER CARTRIDGES TO FILTER LARGER DEBRIS, HAS 25 FOOT OF ELECTRICAL CORD, SYSTEM SHOULD BE DRAINED IF TEMPERATURES DROP BELOW 32 DEGRESS FAHRENHEIT FT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4520-01-554-6300 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.