PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-E-15809Expander,tube

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3456-00-176-7909 · FSC 3456 · No Item Name Available
Verified by PartsTable
NSN 3456-00-176-7909 — this item is cataloged by the U.S. Government under National Stock Number 3456-00-176-7909. Primary manufacturer part number: MIL-E-15809.
Features
  • Expander,tube — FSC 3456
  • Morse Taper Head Size Number: 1
  • Morse Taper Head Size Number: 1
  • Roller Type: TAPERED
  • Roller Effective Length: 1.500 INCHES NOMINAL IN
  • Mandrel Type: ONE PIECE MORSE TAPER HEAD
  • Tube Sheet Maximum Thickness: 1.250 INCHES IN
  • Quantity: 1
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Expander,tube, cataloged under National Stock Number 3456-00-176-7909, is classified within Federal Supply Class 3456 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3456-00-176-7909
Primary Part NumberMIL-E-15809
Item NameExpander,tube
FSC / FSG3456 / 34 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Morse Taper Head Size Number1
Morse Taper Head Size Number1
Roller TypeTAPERED
Roller Effective Length1.500 INCHES NOMINAL IN
Mandrel TypeONE PIECE MORSE TAPER HEAD
Tube Sheet Maximum Thickness1.250 INCHES IN
Quantity1
Roller Quantity3
Operation MethodPOWER
Tube Minimum Inside Diameter Accommodated0.555 INCHES IN
Expander TypeROLLER
Guard RingNOT INCLUDED
Design TypeADJUSTABLE
Flexible TipNOT INCLUDED
Hand Turning RodNOT INCLUDED
Tube Minimum Inside Diameter Accommodated0.555 INCHES IN
Mandrel TypeONE PIECE MORSE TAPER HEAD
Flexible TipNOT INCLUDED
Roller Effective Length1.500 INCHES NOMINAL IN
Guard RingNOT INCLUDED
Expander TypeROLLER
Quantity1
Roller TypeTAPERED
Tube Sheet Maximum Thickness1.250 INCHES IN
Roller Quantity3
Hand Turning RodNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3456-00-176-7910 INTERCHANGEABLE
Expander,tube
3456-00-176-7911 INTERCHANGEABLE
Expander,tube
3456-00-176-791238394 INTERCHANGEABLE
Expander,tube
Thomas C. Wilson, Llc Dba Thomas C Wilson Inc
3456-00-176-7913 INTERCHANGEABLE
Expander,tube
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
3456-00-250-8752 INTERCHANGEABLE
Expander,tube
3456-00-272-6408 INTERCHANGEABLE
Expander,tube
Cross-Reference Index
Part NumberManufacturer
MIL-E-15809 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3456-00-176-7910INTERCHANGEABLE
EXPANDER,TUBE
3456-00-176-7911INTERCHANGEABLE
EXPANDER,TUBE
3456-00-176-7912INTERCHANGEABLE
EXPANDER,TUBE
38394
3456-00-176-7913INTERCHANGEABLE
EXPANDER,TUBE
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
3456-00-933-5270INTERCHANGEABLE
EXPANDER,TUBE
3456-01-018-2126INTERCHANGEABLE
EXPANDER,TUBE

Frequently Asked Questions

What is NSN 3456-00-176-7909?

NSN 3456-00-176-7909 is a Expander,tube, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3456 (No Item Name Available). Status: active.

What are the part numbers for NSN 3456-00-176-7909?

NSN 3456-00-176-7909 has 1 cross-referenced part number: MIL-E-15809 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3456-00-176-7909?

There are 12 known substitutes for 3456-00-176-7909: 3456-00-176-7910, 3456-00-176-7911, 3456-00-176-7912 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-E-15809?

Key specifications for MIL-E-15809: Morse Taper Head Size Number: 1; Morse Taper Head Size Number: 1; Roller Type: TAPERED; Roller Effective Length: 1.500 INCHES NOMINAL IN. 26 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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