PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34015Expander,tube

Thomas C. Wilson, Llc Dba Thomas C Wilson Inc · NSN 3456-01-121-9851 · FSC 3456 · No Item Name Available
Verified by PartsTable
NSN 3456-01-121-9851 — this item is cataloged by the U.S. Government under National Stock Number 3456-01-121-9851. Primary manufacturer part number: 34015.
Features
  • Expander,tube — FSC 3456
  • Mandrel Type: ONE PIECE SQUARE HEAD
  • Operation Method: HAND OR POWER
  • Expander Type: ROLLER
  • Quantity: 1
  • Head Square Length: 0.375 INCHES NOMINAL IN
  • Hand Turning Rod: NOT INCLUDED
  • Rated Expansion Diameter: 0.855 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Expander,tube, cataloged under National Stock Number 3456-01-121-9851, 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 15 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3456-01-121-9851
Primary Part Number34015
Item NameExpander,tube
FSC / FSG3456 / 34 — No Item Name Available
ManufacturerThomas C. Wilson, Llc Dba Thomas C Wilson Inc
StatusACTIVE
Mandrel TypeONE PIECE SQUARE HEAD
Operation MethodHAND OR POWER
Expander TypeROLLER
Quantity1
Head Square Length0.375 INCHES NOMINAL IN
Hand Turning RodNOT INCLUDED
Rated Expansion Diameter0.855 INCHES IN
Roller TypeTAPERED
Square Head Width Across Flats0.375 INCHES NOMINAL IN
Design TypeADJUSTABLE
Tube Sheet Maximum Thickness0.750 INCHES IN
Tube Minimum Inside Diameter Accommodated0.758 INCHES IN
Roller Quantity3
Flexible TipNOT INCLUDED
Roller Effective Length1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5310-00-087-4652 INTERCHANGEABLE
Nut,self-Locking,hexagon
2540-00-142-516234015 INTERCHANGEABLE
Blade,windshield Wiper
Honeywell International Inc Dba Honeywell Div Consumer Products Group
6240-00-196-4518 INTERCHANGEABLE
Lamp,incandescent
5940-00-502-8288502407-4 INTERCHANGEABLE
Post,binding,electrical
Instruments and Flight Research, Inc.
5120-01-127-075434-015 INTERCHANGEABLE
Puller,fuse
Ideal Industries, Inc.
7690-01-168-886834015 INTERCHANGEABLE
Marker,identification
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
4320-01-252-791234015 INTERCHANGEABLE
Box,tilting,gear
Reidville Hydraulics & Mfg Inc
6240-01-475-665134015 INTERCHANGEABLE
Lamp,fluorescent
Technical Consumer Products, Inc.
7920-01-491-066734015 INTERCHANGEABLE
Towel,paper
Kimberly-Clark Corporation
5360-01-597-5604 INTERCHANGEABLE
Spring,helical,extension
Cross-Reference Index
Part NumberManufacturer
34015 PRIMARY Thomas C. Wilson, Llc Dba Thomas C Wilson Inc (USA)
41-C-29 Thomas C. Wilson, Inc. Dba Thomas C Wilson (USA)
34015 Thomas C. Wilson, Inc. Dba Thomas C Wilson (USA)
Related Parts
5310-00-087-4652INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
2540-00-142-5162INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
34015
6240-00-196-4518INTERCHANGEABLE
LAMP,INCANDESCENT
5940-00-502-8288INTERCHANGEABLE
POST,BINDING,ELECTRICAL
502407-4
5120-01-127-0754INTERCHANGEABLE
PULLER,FUSE
34-015
7690-01-168-8868INTERCHANGEABLE
MARKER,IDENTIFICATION
34015
4320-01-252-7912INTERCHANGEABLE
BOX,TILTING,GEAR
34015
6240-01-475-6651INTERCHANGEABLE
LAMP,FLUORESCENT
34015
7920-01-491-0667INTERCHANGEABLE
TOWEL,PAPER
34015
5360-01-597-5604INTERCHANGEABLE
SPRING,HELICAL,EXTENSION

Frequently Asked Questions

What is NSN 3456-01-121-9851?

NSN 3456-01-121-9851 is a Expander,tube, manufactured by Thomas C. Wilson, Llc Dba Thomas C Wilson Inc, classified under FSC 3456 (No Item Name Available). Status: active.

What are the part numbers for NSN 3456-01-121-9851?

NSN 3456-01-121-9851 has 3 cross-referenced part numbers: 34015 (Thomas C. Wilson, Llc Dba Thomas C Wilson Inc), 41-C-29 (Thomas C. Wilson, Inc. Dba Thomas C Wilson), 34015 (Thomas C. Wilson, Inc. Dba Thomas C Wilson).

What NSN replaces 3456-01-121-9851?

There are 10 known substitutes for 3456-01-121-9851: 5310-00-087-4652, 2540-00-142-5162, 6240-00-196-4518 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 34015?

Key specifications for 34015: Mandrel Type: ONE PIECE SQUARE HEAD; Operation Method: HAND OR POWER; Expander Type: ROLLER; Quantity: 1. 15 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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