PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33959Expander,tube

Thomas C. Wilson, Inc. Dba Thomas C Wilson · NSN 3456-01-291-4400 · FSC 3456 · No Item Name Available
Verified by PartsTable
NSN 3456-01-291-4400 — this item is cataloged by the U.S. Government under National Stock Number 3456-01-291-4400. Primary manufacturer part number: 33959.
Features
  • Expander,tube — FSC 3456
  • Operation Method: POWER
  • Roller Type: STRAIGHT
  • Design Type: ADJUSTABLE
  • Expander Type: ROLLER
  • Guard Ring: NOT INCLUDED
  • Roller Effective Length: 0.375 INCHES NOMINAL IN
  • 1 verified cross-reference
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Expander,tube, cataloged under National Stock Number 3456-01-291-4400, 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, Inc. Dba Thomas C Wilson. Government technical data includes 6 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3456-01-291-4400
Primary Part Number33959
Item NameExpander,tube
FSC / FSG3456 / 34 — No Item Name Available
ManufacturerThomas C. Wilson, Inc. Dba Thomas C Wilson
StatusACTIVE
Operation MethodPOWER
Roller TypeSTRAIGHT
Design TypeADJUSTABLE
Expander TypeROLLER
Guard RingNOT INCLUDED
Roller Effective Length0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2530-00-471-0040277192 INTERCHANGEABLE
Governor Assembly,air Brake
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
2530-00-915-1945 INTERCHANGEABLE
Drag Link,steering
5980-01-177-03403-3959 INTERCHANGEABLE
Holder,photoelectric Cell
American Hofmann Corp
2910-01-250-192233959 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5305-01-399-3857N33959 INTERCHANGEABLE
Screw,machine
Leslie Controls, Inc. Dba Leslie Controls Inc
3040-01-417-5835421642 INTERCHANGEABLE
Cylinder,actuating,linear
Spx Fluid Power
Cross-Reference Index
Part NumberManufacturer
33959 Thomas C. Wilson, Inc. Dba Thomas C Wilson (USA)
Related Parts
2530-00-471-0040INTERCHANGEABLE
GOVERNOR ASSEMBLY,AIR BRAKE
277192
2530-00-915-1945INTERCHANGEABLE
DRAG LINK,STEERING
5980-01-177-0340INTERCHANGEABLE
HOLDER,PHOTOELECTRIC CELL
3-3959
2910-01-250-1922INTERCHANGEABLE
FILTER ELEMENT,FLUID
33959
5305-01-399-3857INTERCHANGEABLE
SCREW,MACHINE
N33959
3040-01-417-5835INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
421642

Frequently Asked Questions

What is NSN 3456-01-291-4400?

NSN 3456-01-291-4400 is a Expander,tube, manufactured by Thomas C. Wilson, Inc. Dba Thomas C Wilson, classified under FSC 3456 (No Item Name Available). Status: active.

What are the part numbers for NSN 3456-01-291-4400?

NSN 3456-01-291-4400 has 1 cross-referenced part number: 33959 (Thomas C. Wilson, Inc. Dba Thomas C Wilson).

What NSN replaces 3456-01-291-4400?

There are 6 known substitutes for 3456-01-291-4400: 2530-00-471-0040, 2530-00-915-1945, 5980-01-177-0340 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33959?

Key specifications for 33959: Operation Method: POWER; Roller Type: STRAIGHT; Design Type: ADJUSTABLE; Expander Type: ROLLER. 8 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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