NSN 4520-00-554-7937 · NIIN 005547937 · Part number CC20683-1
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 65586
Government record, cited
NSN 4520-00-554-7937 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-554-7937. Manufacturer of record part number: CC20683-1.
Also searched as4520-00-554-7937 ·
4520005547937 ·
NIIN 005547937 ·
00-554-7937 ·
FSC 4520 Space and Water Heating Equipment · CAGE 65586 · CC20683-1 · 414818PC4
Voltage in Volts and Current Type: 100.0 AC SINGLE VOLTAGE
Maximum Wattage Rating in Watts: 75.0 SINGLE VOLTAGE
Outside Diameter: 3.000 INCHES NOMINAL IN
Mounting Method Style: FLANGE TYPE MOUNTING FACILITY
Heat Quantity: 1
Material: IRON SHEATH
Identification
NSN: 4520-00-554-7937
NIIN: 005547937
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: CC20683-1
Manufacturer: Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
General Description
The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-554-7937, 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 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 8 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.
Technical Specifications
Parameter
Value
NSN
4520-00-554-7937
Primary Part Number
CC20683-1
Item Name
Heating Element,electrical,nonim
FSC / FSG
4520 / 45 — Space and Water Heating Equipment
Manufacturer
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (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 4520-00-554-7937?
NSN 4520-00-554-7937 is a Heating Element,electrical,nonim, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-00-554-7937?
NSN 4520-00-554-7937 has 2 manufacturer part numbers on file: CC20683-1 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 414818PC4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
What are the specifications of CC20683-1?
Key specifications for CC20683-1: Terminal Quantity: 2; Voltage in Volts and Current Type: 100.0 AC SINGLE VOLTAGE; Maximum Wattage Rating in Watts: 75.0 SINGLE VOLTAGE; Outside Diameter: 3.000 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4520-00-554-7937 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.