PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

P-320-4Heater,space,electric

Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc · NSN 4520-01-119-3651 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-119-3651 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-119-3651. Primary manufacturer part number: P-320-4.
Features
  • Heater,space,electric — FSC 4520
  • Mounting Type: VENTILATION DUCT
  • Operating Control Type: HAND SWITCH
  • Inclosure Material: STEEL CORROSION RESISTING
  • Width: 2.000 INCHES NOMINAL IN
  • Heat Delivery Rate: 641.5 BRITISH THERMAL UNIT
  • Height: 1.250 INCHES NOMINAL IN
  • Heating Element Type: ELECTRIC NONIMMERSION
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,space,electric, cataloged under National Stock Number 4520-01-119-3651, 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 Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-119-3651
Primary Part NumberP-320-4
Item NameHeater,space,electric
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerKahlenberg Industries, Inc. Dba Kahlenberg Industries Inc
StatusACTIVE
Mounting TypeVENTILATION DUCT
Operating Control TypeHAND SWITCH
Inclosure MaterialSTEEL CORROSION RESISTING
Width2.000 INCHES NOMINAL IN
Heat Delivery Rate641.5 BRITISH THERMAL UNIT
Height1.250 INCHES NOMINAL IN
Heating Element TypeELECTRIC NONIMMERSION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3439-01-130-9398METCO 450-NS INTERCHANGEABLE
Welding Powder,metallic Overlay
Oerlikon Metco Us Inc
4820-01-178-9779P3204 INTERCHANGEABLE
Valve,flap
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
P320-4 Zf Industrieantriebe Witten Gmbh (DEU)
P-320-4 PRIMARY Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc (USA)
Related Parts
3439-01-130-9398INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
METCO 450-NS
4820-01-178-9779INTERCHANGEABLE
VALVE,FLAP
P3204

Frequently Asked Questions

What is NSN 4520-01-119-3651?

NSN 4520-01-119-3651 is a Heater,space,electric, manufactured by Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-119-3651?

NSN 4520-01-119-3651 has 2 cross-referenced part numbers: P320-4 (Zf Industrieantriebe Witten Gmbh), P-320-4 (Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc).

What NSN replaces 4520-01-119-3651?

There are 2 known substitutes for 4520-01-119-3651: 3439-01-130-9398, 4820-01-178-9779. Verify interchangeability with system specifications before substitution.

What are the specifications of P-320-4?

Key specifications for P-320-4: Mounting Type: VENTILATION DUCT; Operating Control Type: HAND SWITCH; Inclosure Material: STEEL CORROSION RESISTING; Width: 2.000 INCHES NOMINAL IN. 7 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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