PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78-10157Cutter,milling,woodruff Keyseat

Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 · NSN 3455-00-243-2166 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-243-2166 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-243-2166. Primary manufacturer part number: 78-10157.
Features
  • Cutter,milling,woodruff Keyseat — FSC 3455
  • 32 verified cross-references
  • Primary manufacturer: Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cutter,milling,woodruff Keyseat, cataloged under National Stock Number 3455-00-243-2166, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039. This item has 32 commercial cross-references from 22 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCutter,milling,woodruff Keyseat
FSC / FSG3455 — No Item Name Available (FSG 34)
ManufacturersSutton Tools Pty Ltd (CAGE Z0082); Kennametal Inc. Div Kennametal Industrial Products Group (CAGE 1NEX4); Pohl Tool Co (CAGE 60332); Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (CAGE 71485); Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (CAGE 09058)
Technical Specifications
ParameterValue
NSN3455-00-243-2166
Primary Part Number78-10157
Item NameCutter,milling,woodruff Keyseat
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerUnion Butterfield Corp P O Box 9000 Crystal Lake Il 60039
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
7040-00-009-2268 INTERCHANGEABLE
Housing Assembly,dr
3455-00-015-8419TABLE 15, 707 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
The American Society of Mechanical Engineers
5310-00-098-2848189304 INTERCHANGEABLE
Washer,recessed
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
2320-00-142-5231 INTERCHANGEABLE
Truck,stake
5330-00-183-592640533 INTERCHANGEABLE
Seal,wire and Screw
Liquid Controls, L.l.c. Div Idex Corporation
5905-00-192-2509 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5310-00-202-4342 INTERCHANGEABLE
Washer,flat
5305-00-206-0006 INTERCHANGEABLE
Screw,cap,hexagon Head
3455-00-222-921811500 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
3455-00-222-92191-1561-0212 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
New York Twist Drill Inc
Cross-Reference Index
Part NumberManufacturer
304 Sutton Tools Pty Ltd (AUS)
45485 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
KSC304 Pohl Tool Co (USA)
78-10157 PRIMARY Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
16271 PRIMARY Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
53408 Standard Tool Co Div of Lear Siegler Inc (USA)
40533 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
7030020 Enco Mfg Co (USA)
1-1561-0500 PRIMARY New York Twist Drill Inc (USA)
45485 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
304 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
321-304 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
16271 B and S Tool and Cutter Service Inc (USA)
24547 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
24-393 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
8008 Illinois Tool Works Inc Illinois Eclipse-Pine Bluff Div (USA)
MS15718-8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
1321-0304 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
W500 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
GGG-C-755 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
7040-00-009-2268INTERCHANGEABLE
HOUSING ASSEMBLY,DR
3455-00-015-8419INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
TABLE 15, 707
5310-00-098-2848INTERCHANGEABLE
WASHER,RECESSED
189304
2320-00-142-5231INTERCHANGEABLE
TRUCK,STAKE
5330-00-183-5926INTERCHANGEABLE
SEAL,WIRE AND SCREW
40533
5905-00-192-2509INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5310-00-202-4342INTERCHANGEABLE
WASHER,FLAT
5305-00-206-0006INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
3455-00-222-9218INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11500
3455-00-222-9219INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1-1561-0212
3455-00-222-9220INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1321-0406
3455-00-222-9221INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11670

Frequently Asked Questions

What is NSN 3455-00-243-2166?

NSN 3455-00-243-2166 is a Cutter,milling,woodruff Keyseat, manufactured by Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039, classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-00-243-2166?

NSN 3455-00-243-2166 has 32 cross-referenced part numbers: 304 (Sutton Tools Pty Ltd), 45485 (Kennametal Inc. Div Kennametal Industrial Products Group), KSC304 (Pohl Tool Co), 78-10157 (Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039), 16271 (Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa) and 27 more.

What NSN replaces 3455-00-243-2166?

There are 12 known substitutes for 3455-00-243-2166: 7040-00-009-2268, 3455-00-015-8419, 5310-00-098-2848 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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