PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SRL 5-1Heating Element,electrical,nonim

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4520-01-391-3311 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-391-3311 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-391-3311. Primary manufacturer part number: SRL 5-1.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Body Style: CABLE, BAND OR TAPE TYPE
  • Element Quantity: 1
  • Heat Quantity: 1
  • Material: COPPER RESISTANCE WIRE
  • Material: RUBBER SYNTHETIC RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION
  • Frequency in Hertz: 60.0
  • Phase: SINGLE SINGLE VOLTAGE
Applications
  • Applications requiring Copper Resistance Wire construction
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-391-3311, 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 12 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-391-3311
Primary Part NumberSRL 5-1
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Body StyleCABLE, BAND OR TAPE TYPE
Element Quantity1
Heat Quantity1
MaterialCOPPER RESISTANCE WIRE
MaterialRUBBER SYNTHETIC RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION
Frequency in Hertz60.0
PhaseSINGLE SINGLE VOLTAGE
Element Connection StyleWIRE LEAD
Voltage in Volts and Current Type120.0 AC SINGLE VOLTAGE
Mounting Method StyleWRAP AROUND TYPE MOUNTING FACILITY
Element Radiation SpectrumNONINFRARED
Terminal Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-01-259-9465 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
SRL-5 Zf Industrieantriebe Witten Gmbh (DEU)
SRL 5-1 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
RTSR-5L16-1 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
SRL-5-1 Zf Industrieantriebe Witten Gmbh (DEU)
382635 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
Related Parts
5961-01-259-9465INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 4520-01-391-3311?

NSN 4520-01-391-3311 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 4520-01-391-3311?

NSN 4520-01-391-3311 has 5 cross-referenced part numbers: SRL-5 (Zf Industrieantriebe Witten Gmbh), SRL 5-1 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), RTSR-5L16-1 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), SRL-5-1 (Zf Industrieantriebe Witten Gmbh), 382635 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).

What NSN replaces 4520-01-391-3311?

There is 1 known substitute for 4520-01-391-3311: 5961-01-259-9465. Verify interchangeability with system specifications before substitution.

What are the specifications of SRL 5-1?

Key specifications for SRL 5-1: Body Style: CABLE, BAND OR TAPE TYPE; Element Quantity: 1; Heat Quantity: 1; Material: COPPER RESISTANCE WIRE. 13 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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