PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12238Trepanning Tool,machine

Hougen Manufacturing, Inc · NSN 3455-01-203-2766 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-01-203-2766 — this item is cataloged by the U.S. Government under National Stock Number 3455-01-203-2766. Primary manufacturer part number: 12238.
Features
  • Trepanning Tool,machine — FSC 3455
  • General Characteristics Item Description: 1.1875 IN. CUTTER DIA; 2 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 3455-01-203-2766, 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
NSN3455-01-203-2766
Primary Part Number12238
Item NameTrepanning Tool,machine
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerHougen Manufacturing, Inc
StatusACTIVE
General Characteristics Item Description1.1875 IN. CUTTER DIA; 2 IN. DEPTH OF CUT; MADE OF HARDENED, HIGH SPEED TOOL STEEL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5133-00-189-9283 INTERCHANGEABLE
Drill,twist
5133-00-228-1344 INTERCHANGEABLE
Drill,twist
5315-00-276-637412238 INTERCHANGEABLE
Pin,straight,headed
Curtiss-Wright Controls, Inc. Div Actuation Division
5331-00-731-7871F37020-120 INTERCHANGEABLE
O-Ring
Funk Mfg Co Sub of Deere and Co
5120-00-757-0773 INTERCHANGEABLE
Puller,mechanical
2915-00-942-839812238 INTERCHANGEABLE
Seat Assembly,check Valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
1240-01-551-575511400 INTERCHANGEABLE
Mount Subassembly
Aimpoint Inc Dba Aimpoint Inc
Cross-Reference Index
Part NumberManufacturer
12238 PRIMARY Hougen Manufacturing, Inc (USA)
Related Parts
5133-00-189-9283INTERCHANGEABLE
DRILL,TWIST
5133-00-228-1344INTERCHANGEABLE
DRILL,TWIST
5315-00-276-6374INTERCHANGEABLE
PIN,STRAIGHT,HEADED
12238
5331-00-731-7871INTERCHANGEABLE
O-RING
F37020-120
5120-00-757-0773INTERCHANGEABLE
PULLER,MECHANICAL
2915-00-942-8398INTERCHANGEABLE
SEAT ASSEMBLY,CHECK VALVE
12238
1240-01-551-5755INTERCHANGEABLE
MOUNT SUBASSEMBLY
11400

Frequently Asked Questions

What is NSN 3455-01-203-2766?

NSN 3455-01-203-2766 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 3455-01-203-2766?

NSN 3455-01-203-2766 has 1 cross-referenced part number: 12238 (Hougen Manufacturing, Inc).

What NSN replaces 3455-01-203-2766?

There are 7 known substitutes for 3455-01-203-2766: 5133-00-189-9283, 5133-00-228-1344, 5315-00-276-6374 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12238?

Key specifications for 12238: General Characteristics Item Description: 1.1875 IN. CUTTER DIA; 2 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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