PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41C01Expander,tube

Thomas C. Wilson, Inc. Dba Thomas C Wilson · NSN 3456-00-484-5683 · FSC 3456 · No Item Name Available
Verified by PartsTable
NSN 3456-00-484-5683 — this item is cataloged by the U.S. Government under National Stock Number 3456-00-484-5683. Primary manufacturer part number: 41C01.
Features
  • Expander,tube — FSC 3456
  • Tube Minimum Inside Diameter Accommodated: 0.4194 INCHES IN
  • Square Head Width Across Flats: 0.375 INCHES NOMINAL IN
  • Tube Sheet Maximum Thickness: 1.500 INCHES IN
  • Guard Ring: NOT INCLUDED
  • Mandrel Type: ONE PIECE SQUARE HEAD
  • Quantity: 1
  • Flexible Tip: NOT INCLUDED
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Expander,tube, cataloged under National Stock Number 3456-00-484-5683, is classified within Federal Supply Class 3456 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Thomas C. Wilson, Inc. Dba Thomas C Wilson. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN3456-00-484-5683
Primary Part Number41C01
Item NameExpander,tube
FSC / FSG3456 / 34 — No Item Name Available
ManufacturerThomas C. Wilson, Inc. Dba Thomas C Wilson
StatusACTIVE
Tube Minimum Inside Diameter Accommodated0.4194 INCHES IN
Square Head Width Across Flats0.375 INCHES NOMINAL IN
Tube Sheet Maximum Thickness1.500 INCHES IN
Guard RingNOT INCLUDED
Mandrel TypeONE PIECE SQUARE HEAD
Quantity1
Flexible TipNOT INCLUDED
Expander TypeROLLER
Design TypePLAIN
Operation MethodPOWER
Hand Turning RodNOT INCLUDED
Roller Quantity3
Roller TypeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-171-860634001 INTERCHANGEABLE
Seal,plain Encased
Reidville Hydraulics & Mfg Inc
5120-00-224-9453 INTERCHANGEABLE
Puller,fuse
5120-00-240-6092 INTERCHANGEABLE
Punch,starter
5950-00-243-68577605338 INTERCHANGEABLE
Transformer,audio Frequency
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
2520-00-470-9871 INTERCHANGEABLE
Valve Assembly,sole
5945-00-902-1701SAD4401 INTERCHANGEABLE
Solenoid,electrical
Prestolite Electric Inc
5950-01-090-3419583R296H02 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3220-01-167-2644 INTERCHANGEABLE
Guard,saw Blade
5330-01-209-8359 INTERCHANGEABLE
Seal,deck Ramp,intl
4820-01-281-1643340-01 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
41C01 Thomas C. Wilson, Inc. Dba Thomas C Wilson (USA)
34001 Thomas C. Wilson, Inc. Dba Thomas C Wilson (USA)
805 Indresco Inc Industrial Tool Div (USA)
Related Parts
5330-00-171-8606INTERCHANGEABLE
SEAL,PLAIN ENCASED
34001
5120-00-224-9453INTERCHANGEABLE
PULLER,FUSE
5120-00-240-6092INTERCHANGEABLE
PUNCH,STARTER
5950-00-243-6857INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
7605338
2520-00-470-9871INTERCHANGEABLE
VALVE ASSEMBLY,SOLE
5945-00-902-1701INTERCHANGEABLE
SOLENOID,ELECTRICAL
SAD4401
5950-01-090-3419INTERCHANGEABLE
COIL,RADIO FREQUENCY
583R296H02
3220-01-167-2644INTERCHANGEABLE
GUARD,SAW BLADE
5330-01-209-8359INTERCHANGEABLE
SEAL,DECK RAMP,INTL
4820-01-281-1643INTERCHANGEABLE
SEAT,VALVE
340-01
1940-01-351-3148INTERCHANGEABLE
BOAT,UTILITY
34-001
4820-01-380-7593INTERCHANGEABLE
SEAT,VALVE

Frequently Asked Questions

What is NSN 3456-00-484-5683?

NSN 3456-00-484-5683 is a Expander,tube, manufactured by Thomas C. Wilson, Inc. Dba Thomas C Wilson, classified under FSC 3456 (No Item Name Available). Status: active.

What are the part numbers for NSN 3456-00-484-5683?

NSN 3456-00-484-5683 has 3 cross-referenced part numbers: 41C01 (Thomas C. Wilson, Inc. Dba Thomas C Wilson), 34001 (Thomas C. Wilson, Inc. Dba Thomas C Wilson), 805 (Indresco Inc Industrial Tool Div).

What NSN replaces 3456-00-484-5683?

There are 12 known substitutes for 3456-00-484-5683: 5330-00-171-8606, 5120-00-224-9453, 5120-00-240-6092 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41C01?

Key specifications for 41C01: Tube Minimum Inside Diameter Accommodated: 0.4194 INCHES IN; Square Head Width Across Flats: 0.375 INCHES NOMINAL IN; Tube Sheet Maximum Thickness: 1.500 INCHES IN; Guard Ring: NOT INCLUDED. 13 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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