PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RLS-1107-HHeating Element,electrical,immer

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4520-01-254-0868 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-254-0868 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-254-0868. Primary manufacturer part number: RLS-1107-H.
Features
  • Heating Element,electrical,immer — FSC 4520
  • Material: COPPER ALLOY SHEATH
  • Voltage in Volts and Current Type: 240.0 AC SINGLE VOLTAGE
  • Maximum Wattage Rating in Watts: 1000.0 SINGLE VOLTAGE
  • Body Style: FLANGE, TYPE
  • Element Radiation Spectrum: NONINFRARED
  • Length: 7.688 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Applications requiring Copper Alloy Sheath construction
General Description

The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-254-0868, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN4520-01-254-0868
Primary Part NumberRLS-1107-H
Item NameHeating Element,electrical,immer
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
MaterialCOPPER ALLOY SHEATH
Voltage in Volts and Current Type240.0 AC SINGLE VOLTAGE
Maximum Wattage Rating in Watts1000.0 SINGLE VOLTAGE
Body StyleFLANGE, TYPE
Element Radiation SpectrumNONINFRARED
Length7.688 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-44893191-3120 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
2810-00-118-833425717 INTERCHANGEABLE
Pipe Assembly
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5962-00-466-1657 INTERCHANGEABLE
Microcircuit,digital
5950-00-648-219325717 INTERCHANGEABLE
Saturable Reactor
Freed Transformer Co
5360-00-691-53876264234 INTERCHANGEABLE
Spring,helical,extension
U S Army Tank Automotive Command Amsta-Im-Mm
2940-01-098-679412271538 INTERCHANGEABLE
Filter,gearbox
Pall Aeropower Corporation
3110-01-140-384025717 INTERCHANGEABLE
Bearing,inlet Damper
Williams International Co., L.l.c.
5331-01-145-070122-17057 INTERCHANGEABLE
O-Ring
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
3465-01-324-682525717 INTERCHANGEABLE
Jig Feet
Jergens Inc Div Tooling Components Division
5330-01-438-765025717 INTERCHANGEABLE
Seal,plain Encased
Paccar Winch Inc Dba Paccar Winch Division
Cross-Reference Index
Part NumberManufacturer
RLS-1107-H PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
25717 Alter Harry Co the Div of T E C (USA)
41401-9 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
Related Parts
3110-00-100-4489INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3191-3120
2810-00-118-8334INTERCHANGEABLE
PIPE ASSEMBLY
25717
5962-00-466-1657INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5950-00-648-2193INTERCHANGEABLE
SATURABLE REACTOR
25717
5360-00-691-5387INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
6264234
2940-01-098-6794INTERCHANGEABLE
FILTER,GEARBOX
12271538
3110-01-140-3840INTERCHANGEABLE
BEARING,INLET DAMPER
25717
5331-01-145-0701INTERCHANGEABLE
O-RING
22-17057
3465-01-324-6825INTERCHANGEABLE
JIG FEET
25717
5330-01-438-7650INTERCHANGEABLE
SEAL,PLAIN ENCASED
25717

Frequently Asked Questions

What is NSN 4520-01-254-0868?

NSN 4520-01-254-0868 is a Heating Element,electrical,immer, 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 4520-01-254-0868?

NSN 4520-01-254-0868 has 3 cross-referenced part numbers: RLS-1107-H (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 25717 (Alter Harry Co the Div of T E C), 41401-9 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).

What NSN replaces 4520-01-254-0868?

There are 10 known substitutes for 4520-01-254-0868: 3110-00-100-4489, 2810-00-118-8334, 5962-00-466-1657 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RLS-1107-H?

Key specifications for RLS-1107-H: Material: COPPER ALLOY SHEATH; Voltage in Volts and Current Type: 240.0 AC SINGLE VOLTAGE; Maximum Wattage Rating in Watts: 1000.0 SINGLE VOLTAGE; Body Style: FLANGE, TYPE. 6 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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