PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12256Trepanning Tool,machine

Hougen Manufacturing, Inc · NSN 3455-01-203-7453 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-01-203-7453 — this item is cataloged by the U.S. Government under National Stock Number 3455-01-203-7453. Primary manufacturer part number: 12256.
Features
  • Trepanning Tool,machine — FSC 3455
  • General Characteristics Item Description: 1.7500 IN. CUTTER DIA; 2.0 IN. DEPTH OF CUT; MADE OF HARDENED, HIGH SPEED TOOL STEEL IN
  • 1 verified cross-reference
  • Primary manufacturer: Hougen Manufacturing, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Trepanning Tool,machine, cataloged under National Stock Number 3455-01-203-7453, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Hougen Manufacturing, Inc. Government technical data includes 1 verified specification, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3455-01-203-7453
Primary Part Number12256
Item NameTrepanning Tool,machine
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerHougen Manufacturing, Inc
StatusACTIVE
General Characteristics Item Description1.7500 IN. CUTTER DIA; 2.0 IN. DEPTH OF CUT; MADE OF HARDENED, HIGH SPEED TOOL STEEL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5133-00-189-9301 INTERCHANGEABLE
Drill,twist
5133-00-228-1352 INTERCHANGEABLE
Drill,twist
5365-00-392-2176 INTERCHANGEABLE
Bushing,flanged
2930-00-448-0726130-312 INTERCHANGEABLE
Impeller,fan,axial
Cummins Power Generation Inc.
5930-00-552-0161365-6505-1002295C49 INTERCHANGEABLE
Switch,sensitive
Naval Ship Systems Command
1560-00-771-568012256 INTERCHANGEABLE
Door Assembly,upper
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5365-01-252-142512256 INTERCHANGEABLE
Spacer,sleeve
Aerosonic Llc
Cross-Reference Index
Part NumberManufacturer
12256 PRIMARY Hougen Manufacturing, Inc (USA)
Related Parts
5133-00-189-9301INTERCHANGEABLE
DRILL,TWIST
5133-00-228-1352INTERCHANGEABLE
DRILL,TWIST
5365-00-392-2176INTERCHANGEABLE
BUSHING,FLANGED
2930-00-448-0726INTERCHANGEABLE
IMPELLER,FAN,AXIAL
130-312
5930-00-552-0161INTERCHANGEABLE
SWITCH,SENSITIVE
365-6505-1002295C49
1560-00-771-5680INTERCHANGEABLE
DOOR ASSEMBLY,UPPER
12256
5365-01-252-1425INTERCHANGEABLE
SPACER,SLEEVE
12256

Frequently Asked Questions

What is NSN 3455-01-203-7453?

NSN 3455-01-203-7453 is a Trepanning Tool,machine, manufactured by Hougen Manufacturing, Inc, classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-01-203-7453?

NSN 3455-01-203-7453 has 1 cross-referenced part number: 12256 (Hougen Manufacturing, Inc).

What NSN replaces 3455-01-203-7453?

There are 7 known substitutes for 3455-01-203-7453: 5133-00-189-9301, 5133-00-228-1352, 5365-00-392-2176 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12256?

Key specifications for 12256: General Characteristics Item Description: 1.7500 IN. CUTTER DIA; 2.0 IN. DEPTH OF CUT; MADE OF HARDENED, HIGH SPEED TOOL STEEL IN. 1 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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