PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25033-21-1Handle,heater

Hdt Expeditionary Systems Inc · NSN 4520-00-024-7403 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-024-7403 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-024-7403. Primary manufacturer part number: 25033-21-1.
Features
  • Handle,heater — FSC 4520
  • General Characteristics Item Description: TUBULAR STEEL WELDMENT;1.010 IN. OD TUBE;TWO LEGS W/CLIP-IN FASTENERS;11.000 IN. FROM CENTER OF FASTENERS TO END OF HANDLE;15.500 IN. O/A LG;20.500 IN. O/A W IN
  • 6 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Handle,heater, cataloged under National Stock Number 4520-00-024-7403, 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 Hdt Expeditionary Systems Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4520-00-024-7403
Primary Part Number25033-21-1
Item NameHandle,heater
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusCANCELLED
General Characteristics Item DescriptionTUBULAR STEEL WELDMENT;1.010 IN. OD TUBE;TWO LEGS W/CLIP-IN FASTENERS;11.000 IN. FROM CENTER OF FASTENERS TO END OF HANDLE;15.500 IN. O/A LG;20.500 IN. O/A W IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
3455-00-252-37042532 INTERCHANGEABLE
File,rotary
Jarvis Cutting Tools Inc
6140-00-406-2634G2-1 INTERCHANGEABLE
Battery,storage
Teledyne Technologies Incorporated Dba Teledyne Battery Products Div Teledyne Battery Products
5330-00-640-8538 INTERCHANGEABLE
Ring,wiper
5365-00-685-7023402265-2 INTERCHANGEABLE
Shim
Raytheon Company Dba Raytheon
6115-00-913-0534 INTERCHANGEABLE
Generator,direct Current
6115-00-913-0535 INTERCHANGEABLE
Generator,direct Current
4930-01-103-820549-16-2648 INTERCHANGEABLE
Adapter,grease Gun Coupling
Milwaukee Tool & Equipment Company Incorporated Dba Milwaukee Malleable & Grey Iron Works Div
Cross-Reference Index
Part NumberManufacturer
TCF20 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
60870244 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
TCF20 Hdt Expeditionary Systems Inc (USA)
25033-21-1 PRIMARY Hdt Expeditionary Systems Inc (USA)
TCF20 Drs Environmental Systems Inc (USA)
G21 Vbm Corp (USA)
Related Parts
3455-00-252-3704INTERCHANGEABLE
FILE,ROTARY
2532
6140-00-406-2634INTERCHANGEABLE
BATTERY,STORAGE
G2-1
5330-00-640-8538INTERCHANGEABLE
RING,WIPER
5365-00-685-7023INTERCHANGEABLE
SHIM
402265-2
6115-00-913-0534INTERCHANGEABLE
GENERATOR,DIRECT CURRENT
6115-00-913-0535INTERCHANGEABLE
GENERATOR,DIRECT CURRENT
4930-01-103-8205INTERCHANGEABLE
ADAPTER,GREASE GUN COUPLING
49-16-2648

Frequently Asked Questions

What is NSN 4520-00-024-7403?

NSN 4520-00-024-7403 is a Handle,heater, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4520-00-024-7403?

NSN 4520-00-024-7403 has 6 cross-referenced part numbers: TCF20 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), 60870244 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center), TCF20 (Hdt Expeditionary Systems Inc), 25033-21-1 (Hdt Expeditionary Systems Inc), TCF20 (Drs Environmental Systems Inc) and 1 more.

What NSN replaces 4520-00-024-7403?

There are 7 known substitutes for 4520-00-024-7403: 3455-00-252-3704, 6140-00-406-2634, 5330-00-640-8538 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25033-21-1?

Key specifications for 25033-21-1: General Characteristics Item Description: TUBULAR STEEL WELDMENT;1.010 IN. OD TUBE;TWO LEGS W/CLIP-IN FASTENERS;11.000 IN. FROM CENTER OF FASTENERS TO END OF HANDLE;15.500 IN. O/A LG;20.500 IN. O/A W IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4520-00-024-7403 still in active supply?

NSN 4520-00-024-7403 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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