PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25121Cutter,milling,end

Niagara Cutter Inc · NSN 3455-01-236-7924 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-01-236-7924 — this item is cataloged by the U.S. Government under National Stock Number 3455-01-236-7924. Primary manufacturer part number: 25121.
Features
  • Cutter,milling,end — FSC 3455
  • Cutting Rotation Direction: RIGHT-HAND
  • Cut Length: 0.750 INCHES NOMINAL IN
  • Material: STEEL
  • Helix Direction: RIGHT-HAND
  • Shank Diameter: 0.375 INCHES NOMINAL IN
  • Design Form: SINGLE END
  • Specification/standard Data: 80204-B94.19 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel construction
General Description

The Cutter,milling,end, cataloged under National Stock Number 3455-01-236-7924, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Niagara Cutter Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN3455-01-236-7924
Primary Part Number25121
Item NameCutter,milling,end
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerNiagara Cutter Inc
StatusACTIVE
Cutting Rotation DirectionRIGHT-HAND
Cut Length0.750 INCHES NOMINAL IN
MaterialSTEEL
Helix DirectionRIGHT-HAND
Shank Diameter0.375 INCHES NOMINAL IN
Design FormSINGLE END
Specification/standard Data80204-B94.19 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Flute DesignHELICAL
Features ProvidedCENTER CUTTING
Shank TypeWELDON
Diameter0.375 INCHES NOMINAL IN
Flute Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-032-882625121 INTERCHANGEABLE
Seat,valve
Meggitt North Hollywood Inc
4530-00-080-734825121 INTERCHANGEABLE
Piston Assembly,fuel Unit
Danfoss Inc
3455-00-131-6206 INTERCHANGEABLE
Cutter,milling,end
3455-00-132-4872 INTERCHANGEABLE
Cutter,milling,end
3455-00-224-373210305 INTERCHANGEABLE
Cutter,milling,end
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5133-00-228-1332 INTERCHANGEABLE
Drill,twist
5360-00-263-456325121 INTERCHANGEABLE
Spring,helical,compression
Honeywell International Inc. Div Aerospace - Torrance
3455-00-517-5944 INTERCHANGEABLE
Cutter,milling,end
3455-00-517-594851-10356 INTERCHANGEABLE
Cutter,milling,end
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5330-00-715-5144 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
B94.19 TABLE 46 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
25121 PRIMARY Niagara Cutter Inc (USA)
Related Parts
4820-00-032-8826INTERCHANGEABLE
SEAT,VALVE
25121
4530-00-080-7348INTERCHANGEABLE
PISTON ASSEMBLY,FUEL UNIT
25121
3455-00-131-6206INTERCHANGEABLE
CUTTER,MILLING,END
3455-00-132-4872INTERCHANGEABLE
CUTTER,MILLING,END
3455-00-224-3732INTERCHANGEABLE
CUTTER,MILLING,END
10305
5133-00-228-1332INTERCHANGEABLE
DRILL,TWIST
5360-00-263-4563INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
25121
3455-00-517-5944INTERCHANGEABLE
CUTTER,MILLING,END
3455-00-517-5948INTERCHANGEABLE
CUTTER,MILLING,END
51-10356
5330-00-715-5144INTERCHANGEABLE
GASKET
3455-00-812-3584INTERCHANGEABLE
CUTTER,MILLING,END
3455-00-812-3587INTERCHANGEABLE
CUTTER,MILLING,END
716-024211

Frequently Asked Questions

What is NSN 3455-01-236-7924?

NSN 3455-01-236-7924 is a Cutter,milling,end, manufactured by Niagara Cutter Inc, classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-01-236-7924?

NSN 3455-01-236-7924 has 2 cross-referenced part numbers: B94.19 TABLE 46 (American National Standards Institute Incorporated Dba American National Standards Institute), 25121 (Niagara Cutter Inc).

What NSN replaces 3455-01-236-7924?

There are 12 known substitutes for 3455-01-236-7924: 4820-00-032-8826, 4530-00-080-7348, 3455-00-131-6206 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25121?

Key specifications for 25121: Cutting Rotation Direction: RIGHT-HAND; Cut Length: 0.750 INCHES NOMINAL IN; Overall Length: 3.312 INCHES NOMINAL IN; Material: STEEL. 13 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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