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 3456-00-250-8750 · FSC 3456 · No Item Name Available
Verified by PartsTable
NSN 3456-00-250-8750 — this item is cataloged by the U.S. Government under National Stock Number 3456-00-250-8750. Primary manufacturer part number: MIL-E-15809.
Features
  • Expander,tube — FSC 3456
  • Operation Method: POWER
  • Guard Ring: NOT INCLUDED
  • Roller Quantity: 3
  • Flexible Tip: NOT INCLUDED
  • Tube Minimum Inside Diameter Accommodated: 0.180 INCHES IN
  • Expander Type: ROLLER
  • Tube Sheet Maximum Thickness: 0.500 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Expander,tube, cataloged under National Stock Number 3456-00-250-8750, 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 3 commercial cross-references from 3 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
NSN3456-00-250-8750
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
Operation MethodPOWER
Guard RingNOT INCLUDED
Roller Quantity3
Flexible TipNOT INCLUDED
Tube Minimum Inside Diameter Accommodated0.180 INCHES IN
Expander TypeROLLER
Tube Sheet Maximum Thickness0.500 INCHES IN
Roller Effective Length0.750 INCHES NOMINAL IN
Quantity1
Design TypeADJUSTABLE
Mandrel TypeONE PIECE ROUND HEAD
Roller TypeTAPERED
Hand Turning RodNOT INCLUDED
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
3456-00-250-8748 INTERCHANGEABLE
Expander,tube
3456-00-250-8749110701 INTERCHANGEABLE
Expander,tube
Irl Thermal Systems Ltd
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
92307-61 Aqua-Chem, Inc. (USA)
34549 Thomas C. Wilson, Llc Dba Thomas C Wilson Inc (USA)
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
3456-00-250-8748INTERCHANGEABLE
EXPANDER,TUBE
3456-00-250-8749INTERCHANGEABLE
EXPANDER,TUBE
110701
3456-00-250-8751INTERCHANGEABLE
EXPANDER,TUBE
3456-00-250-8752INTERCHANGEABLE
EXPANDER,TUBE
3456-00-272-6408INTERCHANGEABLE
EXPANDER,TUBE
5841-00-370-3747INTERCHANGEABLE
CASE ASY
4920-00-862-1187INTERCHANGEABLE
KNOB AND DIAL ASSEM
34549

Frequently Asked Questions

What is NSN 3456-00-250-8750?

NSN 3456-00-250-8750 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 3456-00-250-8750?

NSN 3456-00-250-8750 has 3 cross-referenced part numbers: MIL-E-15809 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 92307-61 (Aqua-Chem, Inc.), 34549 (Thomas C. Wilson, Llc Dba Thomas C Wilson Inc).

What NSN replaces 3456-00-250-8750?

There are 12 known substitutes for 3456-00-250-8750: 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: Operation Method: POWER; Guard Ring: NOT INCLUDED; Roller Quantity: 3; Flexible Tip: 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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