PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M-55Mandrel,roller Tube Expander

Indresco Inc Industrial Tool Div · NSN 3456-00-147-8961 · FSC 3456 · No Item Name Available
Verified by PartsTable
NSN 3456-00-147-8961 — this item is cataloged by the U.S. Government under National Stock Number 3456-00-147-8961. Primary manufacturer part number: M-55.
Features
  • Mandrel,roller Tube Expander — FSC 3456
  • Hand Turning Rod: NOT INCLUDED
  • Taper Major Diameter: 0.238 INCHES NOMINAL IN
  • Reference Number Differentiating Characteristics: ASDIFFERENTIATED BY THE SPECIAL FEATURES REQUIREMENT
  • Drive Type: SQUARE
  • Size Designator: 0.375 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Indresco Inc Industrial Tool Div
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Mandrel,roller Tube Expander, cataloged under National Stock Number 3456-00-147-8961, is classified within Federal Supply Class 3456 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Indresco Inc Industrial Tool Div. Government technical data includes 5 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
NSN3456-00-147-8961
Primary Part NumberM-55
Item NameMandrel,roller Tube Expander
FSC / FSG3456 / 34 — No Item Name Available
ManufacturerIndresco Inc Industrial Tool Div
StatusACTIVE
Hand Turning RodNOT INCLUDED
Taper Major Diameter0.238 INCHES NOMINAL IN
Reference Number Differentiating CharacteristicsASDIFFERENTIATED BY THE SPECIAL FEATURES REQUIREMENT
Drive TypeSQUARE
Size Designator0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-138-5530M-55 INTERCHANGEABLE
Mattock
Ampco Partners, Ltd. Dba Ampco Safety Tools
2320-00-200-18788358973 INTERCHANGEABLE
Truck,cargo
U S Army Tank Automotive Command Amsta-Im-Mm
5930-00-201-45153095-03LINE258 INTERCHANGEABLE
Switch,toggle
Electric Boat Corporation Div General Dynamics Electric Boat
3455-00-224-3656326-10 INTERCHANGEABLE
Cutter,milling,metal Slitting
Kennametal Inc. Div Kennametal Industrial Products Group
2320-00-391-05708358724 INTERCHANGEABLE
Truck,cargo
U S Army Tank Automotive Command Amsta-Im-Mm
1377-00-764-561710534225 INTERCHANGEABLE
Ignition Element,electrical
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
6135-00-812-9039ZM9 INTERCHANGEABLE
Battery,nonrechargeable
Yosemite Investment Inc Dba North American Capacitor Co
6135-00-985-7845003-360013R00 INTERCHANGEABLE
Battery,nonrechargeable
Insitu, Inc.
5905-01-060-4453 INTERCHANGEABLE
Resistor,fixed,wire Wound
5342-01-253-67487408000001 INTERCHANGEABLE
Chamber,lock
Gamma Products Inc
Cross-Reference Index
Part NumberManufacturer
M-55 Indresco Inc Industrial Tool Div (USA)
Related Parts
5120-00-138-5530INTERCHANGEABLE
MATTOCK
M-55
2320-00-200-1878INTERCHANGEABLE
TRUCK,CARGO
8358973
5930-00-201-4515INTERCHANGEABLE
SWITCH,TOGGLE
3095-03LINE258
3455-00-224-3656INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
326-10
2320-00-391-0570INTERCHANGEABLE
TRUCK,CARGO
8358724
1377-00-764-5617INTERCHANGEABLE
IGNITION ELEMENT,ELECTRICAL
10534225
6135-00-812-9039INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
ZM9
6135-00-985-7845INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
003-360013R00
5905-01-060-4453INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5342-01-253-6748INTERCHANGEABLE
CHAMBER,LOCK
7408000001
4320-01-270-5834INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
M55
7710-01-721-7895INTERCHANGEABLE
VIBRAPHONE,CHROMATIC
M55

Frequently Asked Questions

What is NSN 3456-00-147-8961?

NSN 3456-00-147-8961 is a Mandrel,roller Tube Expander, manufactured by Indresco Inc Industrial Tool Div, classified under FSC 3456 (No Item Name Available). Status: active.

What are the part numbers for NSN 3456-00-147-8961?

NSN 3456-00-147-8961 has 1 cross-referenced part number: M-55 (Indresco Inc Industrial Tool Div).

What NSN replaces 3456-00-147-8961?

There are 12 known substitutes for 3456-00-147-8961: 5120-00-138-5530, 2320-00-200-1878, 5930-00-201-4515 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M-55?

Key specifications for M-55: Hand Turning Rod: NOT INCLUDED; Overall Length: 12.109 INCHES NOMINAL IN; Special Features: SPECIAL REQUIREMENTSFOR NUCLEAR PROPULSION PLANT EQUIPMENT CONTAINED IN INDIVIDUALREPAIR PARTS ORDERING DATA INSTRUMENTATION CONTROL NO. H2601ALINE NO. 0011; Taper Major Diameter: 0.238 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com