NSN 4520-01-644-9645 · NIIN 016449645 · Part number EX770
Eemax, Inc. · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 02HV8
Government record, cited
NSN 4520-01-644-9645 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-644-9645. Manufacturer of record part number: EX770.
Also searched as4520-01-644-9645 ·
4520016449645 ·
NIIN 016449645 ·
01-644-9645 ·
FSC 4520 Space and Water Heating Equipment · CAGE 02HV8 · EX770 · 14U399
Nearby stock numbers← 4520-01-644-8149 Blast Tube
·
4520-01-644-9731 Parts Kit, Space Heater →
Features
Heater,fluid,electric — FSC 4520
Voltage in Volts and Current Type: 240.0 AC
Supplementary Features: BARE WIRE
Wattage Rating: 7500.0 WATTS
2 manufacturer part numbers on file
Manufacturer of record: Eemax, Inc.
Identification
NSN: 4520-01-644-9645
NIIN: 016449645
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: EX770
Manufacturer: Eemax, Inc.
General Description
The Heater,fluid,electric, cataloged under National Stock Number 4520-01-644-9645, 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 Eemax, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 4520-01-644-9645?
NSN 4520-01-644-9645 is a Heater,fluid,electric, manufactured by Eemax, Inc., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-644-9645?
NSN 4520-01-644-9645 has 2 manufacturer part numbers on file: 14U399 (Grainger Div of W W Grainger Inc), EX770 (Eemax, Inc.).
What are the specifications of EX770?
Key specifications for EX770: Voltage in Volts and Current Type: 240.0 AC; Supplementary Features: BARE WIRE; Overall Length: 7.750 INCHES NOMINAL IN; Wattage Rating: 7500.0 WATTS. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4520-01-644-9645 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.