PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2051BExpander,tube

Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions · NSN 3456-00-146-1426 · FSC 3456 · No Item Name Available
Verified by PartsTable
NSN 3456-00-146-1426 — this item is cataloged by the U.S. Government under National Stock Number 3456-00-146-1426. Primary manufacturer part number: 2051B.
Features
  • Expander,tube — FSC 3456
  • Expander Type: ROLLER
  • 50 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Expander,tube, cataloged under National Stock Number 3456-00-146-1426, is classified within Federal Supply Class 3456 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3456-00-146-1426
Primary Part Number2051B
Item NameExpander,tube
FSC / FSG3456 / 34 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
StatusACTIVE
Expander TypeROLLER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5940-00-903-1332 INTERCHANGEABLE
Terminal,stud
Cross-Reference Index
Part NumberManufacturer
116926PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
119624PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
117530PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
118226PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
119630PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
93080PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
114724PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
116626PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
111226PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
117030PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
116630PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
93030PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
113424PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
119724PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
91026PC740 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
110930PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
2051B PRIMARY Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
118230PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
91326PC731 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
107424PC734 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
Related Parts
5940-00-903-1332INTERCHANGEABLE
TERMINAL,STUD

Frequently Asked Questions

What is NSN 3456-00-146-1426?

NSN 3456-00-146-1426 is a Expander,tube, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 3456 (No Item Name Available). Status: active.

What are the part numbers for NSN 3456-00-146-1426?

NSN 3456-00-146-1426 has 50 cross-referenced part numbers: 116926PC734 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 119624PC734 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 117530PC734 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 118226PC734 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 119630PC734 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture) and 45 more.

What NSN replaces 3456-00-146-1426?

There is 1 known substitute for 3456-00-146-1426: 5940-00-903-1332. Verify interchangeability with system specifications before substitution.

What are the specifications of 2051B?

Key specifications for 2051B: Expander Type: ROLLER; Special Features: MANUFACTURED FROM TOOL STEEL. 2 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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