NSN 4520-01-693-6516 · NIIN 016936516 · Part number MECD4
Selas Heat Technology Company Llc Dba Selas Heat Technology Co Llc Div Selas Heat Technology · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 46C41
Government record, cited
NSN 4520-01-693-6516 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-693-6516. Manufacturer of record part number: MECD4.
Also searched as4520-01-693-6516 ·
4520016936516 ·
NIIN 016936516 ·
01-693-6516 ·
FSC 4520 Space and Water Heating Equipment · CAGE 46C41 · MECD4
Manufacturer of record: Selas Heat Technology Company Llc Dba Selas Heat Technology Co Llc Div Selas Heat Technology
Identification
NSN: 4520-01-693-6516
NIIN: 016936516
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: MECD4
Manufacturer: Selas Heat Technology Company Llc Dba Selas Heat Technology Co Llc Div Selas Heat Technology
General Description
The Module Amplifier Flame Sensor, cataloged under National Stock Number 4520-01-693-6516, 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 Selas Heat Technology Company Llc Dba Selas Heat Technology Co Llc Div Selas Heat Technology. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4520-01-693-6516
Primary Part Number
MECD4
Item Name
Module Amplifier Flame Sensor
FSC / FSG
4520 / 45 — Space and Water Heating Equipment
Manufacturer
Selas Heat Technology Company Llc Dba Selas Heat Technology Co Llc Div Selas Heat Technology
Selas Heat Technology Company Llc Dba Selas Heat Technology Co Llc Div Selas Heat Technology (USA)
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 4520-01-693-6516?
NSN 4520-01-693-6516 is a Module Amplifier Flame Sensor, manufactured by Selas Heat Technology Company Llc Dba Selas Heat Technology Co Llc Div Selas Heat Technology, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-693-6516?
NSN 4520-01-693-6516 has 1 manufacturer part number on file: MECD4 (Selas Heat Technology Company Llc Dba Selas Heat Technology Co Llc Div Selas Heat Technology).
What are the specifications of MECD4?
Key specifications for MECD4: End Item Identification: 4520-00-533-7830; TANK, HOT WATER STORAGE; PN 343410E. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4520-01-693-6516 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.