PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1139Heating Element,electrical,nonim

Forenta Lp · NSN 4520-00-187-4661 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-187-4661 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-187-4661. Primary manufacturer part number: A1139.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • Terminal Quantity: 2
  • Body Style: ODD/IRREGULAR SHAPED ITEMS
  • Voltage in Volts and Current Type: 230.0 AC SINGLE VOLTAGE
  • Element Quantity: 1
  • Width: 4.562 INCHES NOMINAL IN
  • Maximum Wattage Rating in Watts: 400.0 SINGLE VOLTAGE
  • Element Connection Style: TERMINAL LUG
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-187-4661, 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 Forenta Lp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4520-00-187-4661
Primary Part NumberA1139
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerForenta Lp
StatusACTIVE
Terminal Quantity2
Body StyleODD/IRREGULAR SHAPED ITEMS
Voltage in Volts and Current Type230.0 AC SINGLE VOLTAGE
Element Quantity1
Width4.562 INCHES NOMINAL IN
Maximum Wattage Rating in Watts400.0 SINGLE VOLTAGE
Element Connection StyleTERMINAL LUG
Heat Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5307-01-075-1029 INTERCHANGEABLE
Stud,continuous Thread
Cross-Reference Index
Part NumberManufacturer
A1139 PRIMARY Forenta Lp (USA)
Related Parts
5307-01-075-1029INTERCHANGEABLE
STUD,CONTINUOUS THREAD

Frequently Asked Questions

What is NSN 4520-00-187-4661?

NSN 4520-00-187-4661 is a Heating Element,electrical,nonim, manufactured by Forenta Lp, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-187-4661?

NSN 4520-00-187-4661 has 1 cross-referenced part number: A1139 (Forenta Lp).

What NSN replaces 4520-00-187-4661?

There is 1 known substitute for 4520-00-187-4661: 5307-01-075-1029. Verify interchangeability with system specifications before substitution.

What are the specifications of A1139?

Key specifications for A1139: Terminal Quantity: 2; Body Style: ODD/IRREGULAR SHAPED ITEMS; Voltage in Volts and Current Type: 230.0 AC SINGLE VOLTAGE; Element Quantity: 1. 10 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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