PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

393-039448-005Heating Element,electrical,nonim

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4520-00-775-7961 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-775-7961 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-775-7961. Primary manufacturer part number: 393-039448-005.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Terminal Quantity: 2
  • Thread Quantity: 18.0 PER INCH MOUNTING FACILITY
  • Length: 8.312 INCHES NOMINAL IN
  • Mounting Facility Length: 0.812 INCHES NOMINAL IN
  • Mounting Method Style: AXIAL STUD TYPE MOUNTING FACILITY
  • Heat Quantity: 1
  • Terminal Length: 0.750 INCHES NOMINAL IN
Applications
  • Applications requiring Chromium and Steel Sheath construction
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-775-7961, 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 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-00-775-7961
Primary Part Number393-039448-005
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Terminal Quantity2
Thread Quantity18.0 PER INCH MOUNTING FACILITY
Length8.312 INCHES NOMINAL IN
Mounting Facility Length0.812 INCHES NOMINAL IN
Mounting Method StyleAXIAL STUD TYPE MOUNTING FACILITY
Heat Quantity1
Terminal Length0.750 INCHES NOMINAL IN
Element Radiation SpectrumNONINFRARED
Effective Heating Length8.312 INCHES NOMINAL IN
Element Quantity1
Thread Series DesignatorUNF MOUNTING FACILITY
Nominal Thread Size0.625 INCHES MOUNTING FACILITY IN
Maximum Wattage Rating in Watts834.0 SINGLE VOLTAGE
PhaseNOT RATED SINGLE VOLTAGE
Body StyleTUBULAR, THREADED TERMINALS
MaterialCHROMIUM AND STEEL SHEATH
Voltage in Volts and Current Type220.0 AC SINGLE VOLTAGE
Element Connection StyleSTUD TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-246-9217 INTERCHANGEABLE
Elbow,pipe
Cross-Reference Index
Part NumberManufacturer
5-39448 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
BSK41149PC3 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
597-501-1886874PC3 Naval Sea Systems Command (USA)
393-039448-005 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
597-501-1886874PC3 Naval Ship Systems Command (USA)
Related Parts
4730-00-246-9217INTERCHANGEABLE
ELBOW,PIPE

Frequently Asked Questions

What is NSN 4520-00-775-7961?

NSN 4520-00-775-7961 is a Heating Element,electrical,nonim, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-775-7961?

NSN 4520-00-775-7961 has 5 cross-referenced part numbers: 5-39448 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), BSK41149PC3 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 597-501-1886874PC3 (Naval Sea Systems Command), 393-039448-005 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 597-501-1886874PC3 (Naval Ship Systems Command).

What NSN replaces 4520-00-775-7961?

There is 1 known substitute for 4520-00-775-7961: 4730-00-246-9217. Verify interchangeability with system specifications before substitution.

What are the specifications of 393-039448-005?

Key specifications for 393-039448-005: Terminal Quantity: 2; Thread Quantity: 18.0 PER INCH MOUNTING FACILITY; Length: 8.312 INCHES NOMINAL IN; Mounting Facility Length: 0.812 INCHES NOMINAL IN. 20 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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