PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1201RExpander,tube

Indresco Inc Industrial Tool Div · NSN 3456-00-012-9704 · FSC 3456 · No Item Name Available
Verified by PartsTable
NSN 3456-00-012-9704 — this item is cataloged by the U.S. Government under National Stock Number 3456-00-012-9704. Primary manufacturer part number: 1201R.
Features
  • Expander,tube — FSC 3456
  • Square Head Width Across Flats: 0.375 INCHES NOMINAL IN
  • Tube Minimum Inside Diameter Accommodated: 0.360 INCHES IN
  • Roller Effective Length: 1.500 INCHES NOMINAL IN
  • Mandrel Type: ONE PIECE SQUARE HEAD
  • Flexible Tip: NOT INCLUDED
  • Guard Ring: NOT INCLUDED
  • Rated Expansion Diameter: 0.410 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Expander,tube, cataloged under National Stock Number 3456-00-012-9704, 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 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3456-00-012-9704
Primary Part Number1201R
Item NameExpander,tube
FSC / FSG3456 / 34 — No Item Name Available
ManufacturerIndresco Inc Industrial Tool Div
StatusACTIVE
Square Head Width Across Flats0.375 INCHES NOMINAL IN
Tube Minimum Inside Diameter Accommodated0.360 INCHES IN
Roller Effective Length1.500 INCHES NOMINAL IN
Mandrel TypeONE PIECE SQUARE HEAD
Flexible TipNOT INCLUDED
Guard RingNOT INCLUDED
Rated Expansion Diameter0.410 INCHES IN
Roller TypeTAPERED
Criticality Code JustificationZZZY
Quantity1
Tube Sheet Maximum Thickness6.000 INCHES IN
Expander TypeROLLER
Design TypeADJUSTABLE
Reference Number Differentiating CharacteristicsREFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP
Roller Quantity3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
1201R Indresco Inc Industrial Tool Div (USA)
5017500 Indresco Inc Industrial Tool Div (USA)
RO0095 Dla Aviation Engineering Div Department of Defense (USA)
Related Parts in Metalworking Machinery (continued)
3456-00-012-9700
ROLL,ROLLER TUBE EXPANDER
3456-00-012-9708
MANDREL,ROLLER TUBE EXPANDER
3456-00-012-9712
NO ITEM NAME AVAILABLE
3456-00-019-3079
PUNCH,METAL PUNCHING MACHINE
3456-00-022-9932
EXPANDER,TUBE
3456-00-024-1501
DIE,CABLE REPAIR,MINE SWEEPING
9-S-5309LALT-TYPE A
3456-00-043-0233
NO ITEM NAME AVAILABLE
3456-00-043-3304
NO ITEM NAME AVAILABLE

Frequently Asked Questions

What is NSN 3456-00-012-9704?

NSN 3456-00-012-9704 is a Expander,tube, manufactured by Indresco Inc Industrial Tool Div, classified under FSC 3456 (No Item Name Available). Status: active.

What are the part numbers for NSN 3456-00-012-9704?

NSN 3456-00-012-9704 has 3 cross-referenced part numbers: 1201R (Indresco Inc Industrial Tool Div), 5017500 (Indresco Inc Industrial Tool Div), RO0095 (Dla Aviation Engineering Div Department of Defense).

What are the specifications of 1201R?

Key specifications for 1201R: Square Head Width Across Flats: 0.375 INCHES NOMINAL IN; Tube Minimum Inside Diameter Accommodated: 0.360 INCHES IN; Special Features: ITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER RICHMOND PRODUCTION STANDARD NO. RO0095; Roller Effective Length: 1.500 INCHES NOMINAL IN. 16 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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