PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5388Heating Element,electrical,nonim

Cox & Company, Inc. Dba Cox & Co Inc · NSN 4520-00-203-2749 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-203-2749 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-203-2749. Primary manufacturer part number: 5388.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Body Style: STRIP ELEMENT
  • Length: 10.625 INCHES NOMINAL IN
  • Mounting Method Style: SLOT OR HOLE TYPE MOUNTING FACILITY
  • Frequency in Hertz: 400.0
  • Material Document and Classification: QQ-A-250/8,H32 FED SPEC SINGLE MATERIAL RESPONSE SHEATH
  • Material: ALUMINUM ALLOY 5052 SHEATH
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) STUD
Applications
  • Applications requiring Aluminum Alloy 5052 Sheath construction
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-203-2749, 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 Cox & Company, Inc. Dba Cox & Co Inc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-00-203-2749
Primary Part Number5388
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerCox & Company, Inc. Dba Cox & Co Inc
StatusACTIVE
Body StyleSTRIP ELEMENT
Length10.625 INCHES NOMINAL IN
Mounting Method StyleSLOT OR HOLE TYPE MOUNTING FACILITY
Frequency in Hertz400.0
Material Document and ClassificationQQ-A-250/8,H32 FED SPEC SINGLE MATERIAL RESPONSE SHEATH
MaterialALUMINUM ALLOY 5052 SHEATH
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) STUD
PhaseSINGLE SINGLE VOLTAGE
Element Quantity1
Maximum Wattage Rating in Watts100.0 SINGLE VOLTAGE
Terminal Length0.375 INCHES NOMINAL IN
Voltage in Volts and Current Type115.0 AC SINGLE VOLTAGE
Thread Quantity40.0 PER INCH STUD
Heat Quantity1
Terminal Quantity2
Width4.938 INCHES NOMINAL IN
Nominal Thread Size0.125 INCHES STUD IN
Hole Diameter0.170 INCHES NOMINAL IN
Hole or Slot Quantity13
Terminal Arrangement StylePARALLEL AT ONE END EXCEPT ON 3/4 AND 1 INCH WIDTH IN
Element Radiation SpectrumNONINFRARED
Element Connection StyleSTUD TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5930-00-010-63910697466-0703 INTERCHANGEABLE
Boot,dust and Moisture Seal
Raytheon Company Dba Raytheon Co
5935-00-028-2168 INTERCHANGEABLE
Connector,plug,electrical
2990-00-404-9948T-5388 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5945-00-888-371055367 INTERCHANGEABLE
Solenoid,electrical
Woodward Hrt Inc
4310-01-006-3567 INTERCHANGEABLE
Door,cooler L H
5950-01-055-4647806163 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
4820-01-250-8558A65182 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5325-01-293-0890 INTERCHANGEABLE
Grommet
5977-01-295-723565182 INTERCHANGEABLE
Brush,electrical Contact
Moog Inc.
6515-01-547-38375388 INTERCHANGEABLE
Pacemaker,cardiac
Medtronic Inc
Cross-Reference Index
Part NumberManufacturer
6013182 International Business Machines Corporation Dba IBM (USA)
6013182 International Business Machines Corp (USA)
6013182 International Business Machines Corp Parts Order Center Dept E - 54 (USA)
65182 E/m Coating Services Div E/m Coating Services North Hollywood (USA)
5388 PRIMARY Cox & Company, Inc. Dba Cox & Co Inc (USA)
Related Parts
5930-00-010-6391INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
0697466-0703
5935-00-028-2168INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2990-00-404-9948INTERCHANGEABLE
MUFFLER,EXHAUST
T-5388
5945-00-888-3710INTERCHANGEABLE
SOLENOID,ELECTRICAL
55367
4310-01-006-3567INTERCHANGEABLE
DOOR,COOLER L H
5950-01-055-4647INTERCHANGEABLE
TRANSFORMER,POWER
806163
4820-01-250-8558INTERCHANGEABLE
STEM,FLUID VALVE
A65182
5325-01-293-0890INTERCHANGEABLE
GROMMET
5977-01-295-7235INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
65182
6515-01-547-3837INTERCHANGEABLE
PACEMAKER,CARDIAC
5388

Frequently Asked Questions

What is NSN 4520-00-203-2749?

NSN 4520-00-203-2749 is a Heating Element,electrical,nonim, manufactured by Cox & Company, Inc. Dba Cox & Co Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-203-2749?

NSN 4520-00-203-2749 has 5 cross-referenced part numbers: 6013182 (International Business Machines Corporation Dba IBM), 6013182 (International Business Machines Corp), 6013182 (International Business Machines Corp Parts Order Center Dept E - 54), 65182 (E/m Coating Services Div E/m Coating Services North Hollywood), 5388 (Cox & Company, Inc. Dba Cox & Co Inc).

What NSN replaces 4520-00-203-2749?

There are 10 known substitutes for 4520-00-203-2749: 5930-00-010-6391, 5935-00-028-2168, 2990-00-404-9948 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5388?

Key specifications for 5388: Body Style: STRIP ELEMENT; Length: 10.625 INCHES NOMINAL IN; Mounting Method Style: SLOT OR HOLE TYPE MOUNTING FACILITY; Frequency in Hertz: 400.0. 23 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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