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 3456-00-250-8748 · FSC 3456 · No Item Name Available
Verified by PartsTable
NSN 3456-00-250-8748 — this item is cataloged by the U.S. Government under National Stock Number 3456-00-250-8748. Primary manufacturer part number: MIL-E-15809.
Features
  • Expander,tube — FSC 3456
  • Roller Effective Length: 0.750 INCHES NOMINAL IN
  • Hand Turning Rod: NOT INCLUDED
  • Guard Ring: NOT INCLUDED
  • Operation Method: POWER
  • Quantity: 1
  • Expander Type: ROLLER
  • Tube Minimum Inside Diameter Accommodated: 0.194 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Expander,tube, cataloged under National Stock Number 3456-00-250-8748, 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 13 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
NSN3456-00-250-8748
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
Roller Effective Length0.750 INCHES NOMINAL IN
Hand Turning RodNOT INCLUDED
Guard RingNOT INCLUDED
Operation MethodPOWER
Quantity1
Expander TypeROLLER
Tube Minimum Inside Diameter Accommodated0.194 INCHES IN
Tube Sheet Maximum Thickness0.500 INCHES IN
Roller TypeTAPERED
Roller Quantity3
Design TypeADJUSTABLE
Flexible TipNOT INCLUDED
Mandrel TypeONE PIECE ROUND HEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3456-00-176-7909 INTERCHANGEABLE
Expander,tube
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
3456-00-250-8749110701 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
3456-00-176-7909INTERCHANGEABLE
EXPANDER,TUBE
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
3456-00-250-8749INTERCHANGEABLE
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 3456-00-250-8748?

NSN 3456-00-250-8748 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 3456-00-250-8748?

NSN 3456-00-250-8748 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 3456-00-250-8748?

There are 12 known substitutes for 3456-00-250-8748: 3456-00-176-7909, 3456-00-176-7910, 3456-00-176-7911 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-E-15809?

Key specifications for MIL-E-15809: Roller Effective Length: 0.750 INCHES NOMINAL IN; Hand Turning Rod: NOT INCLUDED; Guard Ring: NOT INCLUDED; Operation Method: POWER. 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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