PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12334Heater,duct Type,portable

Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems · NSN 4520-01-507-5661 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-507-5661 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-507-5661. Primary manufacturer part number: 12334.
Features
  • Heater,duct Type,portable — FSC 4520
  • 2 verified cross-references
  • Primary manufacturer: Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,duct Type,portable, cataloged under National Stock Number 4520-01-507-5661, 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 Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-507-5661
Primary Part Number12334
Item NameHeater,duct Type,portable
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerGse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1660-00-032-83461233-4 INTERCHANGEABLE
Fitting,pressure Li
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5905-00-064-93505103-000 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Wbk Controls Inc
6210-00-114-0373 INTERCHANGEABLE
Light,indicator
5330-00-334-0536012334 INTERCHANGEABLE
Seal
Caterpillar Inc Div Caterpillar Defense
5330-01-061-7458 INTERCHANGEABLE
Seal,plain Encased
5330-01-062-641312334 INTERCHANGEABLE
Gasket
Aerco International, Inc. Dba Aerco International Inc
7310-01-107-1142 INTERCHANGEABLE
Pan,steam Table
2815-01-118-416112334 INTERCHANGEABLE
Housing Brass
Westerbeke Corporation
6515-01-125-0121055534 INTERCHANGEABLE
Airway,nasopharyngeal
C. R. Bard, Inc.
5930-01-134-853612334 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
12334 Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems (USA)
12334 Itw Gse Inc. (USA)
Related Parts
1660-00-032-8346INTERCHANGEABLE
FITTING,PRESSURE LI
1233-4
5905-00-064-9350INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5103-000
6210-00-114-0373INTERCHANGEABLE
LIGHT,INDICATOR
5330-00-334-0536INTERCHANGEABLE
SEAL
012334
5330-01-061-7458INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-01-062-6413INTERCHANGEABLE
GASKET
12334
7310-01-107-1142INTERCHANGEABLE
PAN,STEAM TABLE
2815-01-118-4161INTERCHANGEABLE
HOUSING BRASS
12334
6515-01-125-0121INTERCHANGEABLE
AIRWAY,NASOPHARYNGEAL
055534
5930-01-134-8536INTERCHANGEABLE
SWITCH,LIQUID LEVEL
12334
5120-01-335-0819INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4940-01-389-2991INTERCHANGEABLE
IMPELLER,BLAST CLEANING CABINET
12334

Frequently Asked Questions

What is NSN 4520-01-507-5661?

NSN 4520-01-507-5661 is a Heater,duct Type,portable, manufactured by Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-507-5661?

NSN 4520-01-507-5661 has 2 cross-referenced part numbers: 12334 (Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems), 12334 (Itw Gse Inc.).

What NSN replaces 4520-01-507-5661?

There are 12 known substitutes for 4520-01-507-5661: 1660-00-032-8346, 5905-00-064-9350, 6210-00-114-0373 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12334?

Key specifications for 12334: End Item Identification: F/A-22 RAPTOR; Special Features: ITEM OF SUPPLY IS USED ON TRILECTRON PAO COOLING CART. 2 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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