PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4BMDAAF887000Top,space Heater

Department of the Air Force · NSN 4520-00-555-8539 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-555-8539 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-555-8539. Primary manufacturer part number: 4BMDAAF887000.
Features
  • Top,space Heater — FSC 4520
  • Reference Number Differentiating Characteristics: TOP ASSEMBLY
  • 3 verified cross-references
  • Primary manufacturer: Department of the Air Force
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Top,space Heater, cataloged under National Stock Number 4520-00-555-8539, 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 Department of the Air Force. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4520-00-555-8539
Primary Part Number4BMDAAF887000
Item NameTop,space Heater
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusCANCELLED
Reference Number Differentiating CharacteristicsTOP ASSEMBLY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
4520-00-153-4603 INTERCHANGEABLE
Grate
4520-00-257-4877 INTERCHANGEABLE
Heater,space
4520-00-555-0944 INTERCHANGEABLE
Base,space Heater
4520-00-555-85365-11-85-4 INTERCHANGEABLE
Shaker
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
5365-00-555-8537 INTERCHANGEABLE
Ring,adapter
4520-00-555-8538 INTERCHANGEABLE
Lid Assembly,heater
4520-01-354-11915-13-4460 INTERCHANGEABLE
Heater,space
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
Cross-Reference Index
Part NumberManufacturer
4BMDAAF887000 Department of the Air Force (USA)
MILH13514 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5-11-82T0PST0V W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
Related Parts
4520-00-153-4603INTERCHANGEABLE
GRATE
4520-00-257-4877INTERCHANGEABLE
HEATER,SPACE
4520-00-555-0944INTERCHANGEABLE
BASE,SPACE HEATER
4520-00-555-8536INTERCHANGEABLE
SHAKER
5-11-85-4
5365-00-555-8537INTERCHANGEABLE
RING,ADAPTER
4520-00-555-8538INTERCHANGEABLE
LID ASSEMBLY,HEATER
4520-01-354-1191INTERCHANGEABLE
HEATER,SPACE
5-13-4460

Frequently Asked Questions

What is NSN 4520-00-555-8539?

NSN 4520-00-555-8539 is a Top,space Heater, manufactured by Department of the Air Force, classified under FSC 4520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4520-00-555-8539?

NSN 4520-00-555-8539 has 3 cross-referenced part numbers: 4BMDAAF887000 (Department of the Air Force), MILH13514 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 5-11-82T0PST0V (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center).

What NSN replaces 4520-00-555-8539?

There are 7 known substitutes for 4520-00-555-8539: 4520-00-153-4603, 4520-00-257-4877, 4520-00-555-0944 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4BMDAAF887000?

Key specifications for 4BMDAAF887000: Reference Number Differentiating Characteristics: TOP ASSEMBLY. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4520-00-555-8539 still in active supply?

NSN 4520-00-555-8539 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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