PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9171763Heating Element,electrical,nonim

Us Army Aviation and Missile Command · NSN 4520-00-729-5720 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-729-5720 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-729-5720. Primary manufacturer part number: 9171763.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Body Style: STRIP, FINNED
  • Terminal Arrangement Style: IN LINE (TANDEM) AT ONE END
  • Hole or Slot Quantity: 2
  • Phase: SINGLE SINGLE VOLTAGE
  • Nominal Thread Size: 0.190 INCHES STUD IN
  • Thread Quantity: 32.0 PER INCH STUD
  • Watt Density Rating: 15.0 PER SQUARE INCH SINGLE VOLTAGE
Applications
  • Applications requiring Nickel Alloy and Copper Alloy Sheath construction
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-729-5720, 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 Us Army Aviation and Missile Command. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-00-729-5720
Primary Part Number9171763
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Body StyleSTRIP, FINNED
Terminal Arrangement StyleIN LINE (TANDEM) AT ONE END
Hole or Slot Quantity2
PhaseSINGLE SINGLE VOLTAGE
Nominal Thread Size0.190 INCHES STUD IN
Thread Quantity32.0 PER INCH STUD
Watt Density Rating15.0 PER SQUARE INCH SINGLE VOLTAGE
Element Quantity1
Frequency in Hertz60.0
MaterialNICKEL ALLOY AND COPPER ALLOY SHEATH
Voltage in Volts and Current Type240.0 AC SINGLE VOLTAGE
Length6.250 INCHES NOMINAL IN
Thread Series DesignatorUNF STUD
Maximum Wattage Rating in Watts350.0 SINGLE VOLTAGE
Element Connection StyleHERMETICALLY SEALED STUD
Mounting Method StyleSLOT OR HOLE TYPE MOUNTING FACILITY
Width2.000 INCHES NOMINAL IN
Element Radiation SpectrumNONINFRARED
Terminal Quantity2
Mounting Facility Width0.312 INCHES NOMINAL IN
Terminal Length0.500 INCHES NOMINAL IN
Mounting Facility Length0.500 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width9.500 INCHES NOMINAL IN
Heat Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4520-00-082-0113 INTERCHANGEABLE
Heating Element,electrical,nonim
4520-00-729-5796117-116246-002 INTERCHANGEABLE
Heating Element,electrical,nonim
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
Cross-Reference Index
Part NumberManufacturer
SEF-100-240VAC-350W-MONEL Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
SEF100 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
117-116246-001 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
9171763 PRIMARY Us Army Aviation and Missile Command (USA)
SEF-100M-240-350 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
Related Parts
4520-00-082-0113INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-729-5796INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
117-116246-002

Frequently Asked Questions

What is NSN 4520-00-729-5720?

NSN 4520-00-729-5720 is a Heating Element,electrical,nonim, manufactured by Us Army Aviation and Missile Command, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-729-5720?

NSN 4520-00-729-5720 has 5 cross-referenced part numbers: SEF-100-240VAC-350W-MONEL (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), SEF100 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 117-116246-001 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 9171763 (Us Army Aviation and Missile Command), SEF-100M-240-350 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).

What NSN replaces 4520-00-729-5720?

There are 2 known substitutes for 4520-00-729-5720: 4520-00-082-0113, 4520-00-729-5796. Verify interchangeability with system specifications before substitution.

What are the specifications of 9171763?

Key specifications for 9171763: Body Style: STRIP, FINNED; Terminal Arrangement Style: IN LINE (TANDEM) AT ONE END; Hole or Slot Quantity: 2; Phase: SINGLE SINGLE VOLTAGE. 25 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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