PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A242Heater,indoor or Outdoor Free St

Sunglow Industries Inc · NSN 4520-01-436-2031 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-436-2031 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-436-2031. Primary manufacturer part number: A242.
Features
  • Heater,indoor or Outdoor Free St — FSC 4520
  • General Characteristics Item Description: NATURAL GAS, 50,000 BTU/HR, 93 INS HIGH, REFLECTOR DIA 34-1/2 INS, 100 PCT SAFETY SHUTOFF CONTROL, FOR INDOOR OR OUTDOOR USE, GAS INLET 1/2 IN. PIPE COUPLING, WEIGHTED BASE, NO ELECTRICAL CONNECTIONS, QUICK DISCONNECT IN
  • 1 verified cross-reference
  • Primary manufacturer: Sunglow Industries Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,indoor or Outdoor Free St, cataloged under National Stock Number 4520-01-436-2031, 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 Sunglow Industries Inc. Government technical data includes 1 verified specification, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-436-2031
Primary Part NumberA242
Item NameHeater,indoor or Outdoor Free St
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerSunglow Industries Inc
StatusACTIVE
General Characteristics Item DescriptionNATURAL GAS, 50,000 BTU/HR, 93 INS HIGH, REFLECTOR DIA 34-1/2 INS, 100 PCT SAFETY SHUTOFF CONTROL, FOR INDOOR OR OUTDOOR USE, GAS INLET 1/2 IN. PIPE COUPLING, WEIGHTED BASE, NO ELECTRICAL CONNECTIONS, QUICK DISCONNECT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3040-00-109-4006A2-42 INTERCHANGEABLE
Shaft,straight
Roller Bearing Co of America, Inc Div Pic Design
6810-00-134-62201-0252 INTERCHANGEABLE
Phosphoric Acid
Avantor Performance Materials, Inc.
4320-00-369-00905100-4700-470171ALT2PC65 INTERCHANGEABLE
Impeller,pump,centrifugal
Naval Ship Systems Command
5915-00-410-3528A-242 INTERCHANGEABLE
Filter,radio Frequency Interfere
The Captor Corporation
5950-00-412-4345A242 INTERCHANGEABLE
Transformer,radio Frequency
Communication Coil, Inc. Div -
5950-00-519-6912 INTERCHANGEABLE
Transformer,radio Frequency
2920-00-596-9952A242 INTERCHANGEABLE
Sleeve,ignition Terminal
The B G Service Company, Inc.
6810-00-753-47772796 INTERCHANGEABLE
Phosphoric Acid
Mallinckrodt Inc Anesthesia Products
1045-00-837-2629A242 INTERCHANGEABLE
Control Panel,torpe
Lockheed Martin Corp
4730-01-223-2503244 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Western Enterprises Div of Scott and Fetzer Co
Cross-Reference Index
Part NumberManufacturer
A242 Sunglow Industries Inc (USA)
Related Parts
3040-00-109-4006INTERCHANGEABLE
SHAFT,STRAIGHT
A2-42
6810-00-134-6220INTERCHANGEABLE
PHOSPHORIC ACID
1-0252
4320-00-369-0090INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
5100-4700-470171ALT2PC65
5915-00-410-3528INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
A-242
5950-00-412-4345INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
A242
5950-00-519-6912INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
2920-00-596-9952INTERCHANGEABLE
SLEEVE,IGNITION TERMINAL
A242
6810-00-753-4777INTERCHANGEABLE
PHOSPHORIC ACID
2796
1045-00-837-2629INTERCHANGEABLE
CONTROL PANEL,TORPE
A242
4730-01-223-2503INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
244
5305-01-507-3034INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
024-0002

Frequently Asked Questions

What is NSN 4520-01-436-2031?

NSN 4520-01-436-2031 is a Heater,indoor or Outdoor Free St, manufactured by Sunglow Industries Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-436-2031?

NSN 4520-01-436-2031 has 1 cross-referenced part number: A242 (Sunglow Industries Inc).

What NSN replaces 4520-01-436-2031?

There are 11 known substitutes for 4520-01-436-2031: 3040-00-109-4006, 6810-00-134-6220, 4320-00-369-0090 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A242?

Key specifications for A242: General Characteristics Item Description: NATURAL GAS, 50,000 BTU/HR, 93 INS HIGH, REFLECTOR DIA 34-1/2 INS, 100 PCT SAFETY SHUTOFF CONTROL, FOR INDOOR OR OUTDOOR USE, GAS INLET 1/2 IN. PIPE COUPLING, WEIGHTED BASE, NO ELECTRICAL CONNECTIONS, QUICK DISCONNECT IN. 1 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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