PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38394Expander,tube

Thomas C. Wilson, Llc Dba Thomas C Wilson Inc · NSN 3456-00-176-7912 · FSC 3456 · No Item Name Available
Verified by PartsTable
NSN 3456-00-176-7912 — this item is cataloged by the U.S. Government under National Stock Number 3456-00-176-7912. Primary manufacturer part number: 38394.
Features
  • Expander,tube — FSC 3456
  • Flexible Tip: NOT INCLUDED
  • Quantity: 1
  • Guard Ring: NOT INCLUDED
  • Roller Type: TAPERED
  • Mandrel Type: ONE PIECE MORSE TAPER HEAD
  • Roller Effective Length: 1.500 INCHES NOMINAL IN
  • Morse Taper Head Size Number: 1
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Expander,tube, cataloged under National Stock Number 3456-00-176-7912, 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, Llc Dba Thomas C Wilson Inc. Government technical data includes 26 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3456-00-176-7912
Primary Part Number38394
Item NameExpander,tube
FSC / FSG3456 / 34 — No Item Name Available
ManufacturerThomas C. Wilson, Llc Dba Thomas C Wilson Inc
StatusCANCELLED
Flexible TipNOT INCLUDED
Quantity1
Guard RingNOT INCLUDED
Roller TypeTAPERED
Mandrel TypeONE PIECE MORSE TAPER HEAD
Roller Effective Length1.500 INCHES NOMINAL IN
Morse Taper Head Size Number1
Guard RingNOT INCLUDED
Hand Turning RodNOT INCLUDED
Tube Minimum Inside Diameter Accommodated0.527 INCHES IN
Design TypeADJUSTABLE
Expander TypeROLLER
Flexible TipNOT INCLUDED
Roller TypeTAPERED
Roller Quantity3
Tube Sheet Maximum Thickness1.250 INCHES IN
Operation MethodPOWER
Mandrel TypeONE PIECE MORSE TAPER HEAD
Hand Turning RodNOT INCLUDED
Quantity1
Tube Sheet Maximum Thickness1.250 INCHES IN
Roller Effective Length1.500 INCHES NOMINAL IN
Morse Taper Head Size Number1
Roller Quantity3
Tube Minimum Inside Diameter Accommodated0.527 INCHES IN
Expander TypeROLLER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-117-0758 INTERCHANGEABLE
Bearing,roller,thrust
3456-00-176-7909 INTERCHANGEABLE
Expander,tube
3456-00-176-7910 INTERCHANGEABLE
Expander,tube
3456-00-176-7911 INTERCHANGEABLE
Expander,tube
3456-00-176-7913 INTERCHANGEABLE
Expander,tube
5970-00-198-9809ESA19521TYPED INTERCHANGEABLE
Insulator,standoff
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3456-00-250-8748 INTERCHANGEABLE
Expander,tube
3456-00-250-8749110701 INTERCHANGEABLE
Expander,tube
Irl Thermal Systems Ltd
3456-00-250-8750 INTERCHANGEABLE
Expander,tube
3456-00-250-8751 INTERCHANGEABLE
Expander,tube
Cross-Reference Index
Part NumberManufacturer
38394 PRIMARY Thomas C. Wilson, Llc Dba Thomas C Wilson Inc (USA)
MIL-E-15809 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-117-0758INTERCHANGEABLE
BEARING,ROLLER,THRUST
3456-00-176-7909INTERCHANGEABLE
EXPANDER,TUBE
3456-00-176-7910INTERCHANGEABLE
EXPANDER,TUBE
3456-00-176-7911INTERCHANGEABLE
EXPANDER,TUBE
3456-00-176-7913INTERCHANGEABLE
EXPANDER,TUBE
5970-00-198-9809INTERCHANGEABLE
INSULATOR,STANDOFF
ESA19521TYPED
3456-00-250-8748INTERCHANGEABLE
EXPANDER,TUBE
3456-00-250-8749INTERCHANGEABLE
EXPANDER,TUBE
110701
3456-00-250-8750INTERCHANGEABLE
EXPANDER,TUBE
3456-00-250-8751INTERCHANGEABLE
EXPANDER,TUBE
3456-00-250-8752INTERCHANGEABLE
EXPANDER,TUBE
3456-00-272-6408INTERCHANGEABLE
EXPANDER,TUBE

Frequently Asked Questions

What is NSN 3456-00-176-7912?

NSN 3456-00-176-7912 is a Expander,tube, manufactured by Thomas C. Wilson, Llc Dba Thomas C Wilson Inc, classified under FSC 3456 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3456-00-176-7912?

NSN 3456-00-176-7912 has 2 cross-referenced part numbers: 38394 (Thomas C. Wilson, Llc Dba Thomas C Wilson Inc), MIL-E-15809 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3456-00-176-7912?

There are 12 known substitutes for 3456-00-176-7912: 3110-00-117-0758, 3456-00-176-7909, 3456-00-176-7910 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 38394?

Key specifications for 38394: Part Name Assigned by Controlling Agency: EXPANDER TUBE NO. 1; Flexible Tip: NOT INCLUDED; Quantity: 1; Guard Ring: NOT INCLUDED. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3456-00-176-7912 still in active supply?

NSN 3456-00-176-7912 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.
PartsTable Design LLC · partstable.com