PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-1561-1125Cutter,milling,woodruff Keyseat

New York Twist Drill Inc · NSN 3455-00-540-0279 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-540-0279 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-540-0279. Primary manufacturer part number: 1-1561-1125.
Features
  • Cutter,milling,woodruff Keyseat — FSC 3455
  • 29 verified cross-references
  • Primary manufacturer: New York Twist Drill Inc
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 3455-00-540-0279, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is New York Twist Drill Inc. This item has 29 commercial cross-references from 23 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)
ManufacturersLear Siegler Inc National Twist Drill and Tool Div (CAGE 42970); Cleveland Twist Drill Co Div of Greenfield Industries Inc (CAGE 13130); Pohl Tool Co (CAGE 60332); Standard Tool Co Div of Lear Siegler Inc (CAGE 78197); New York Twist Drill Inc (CAGE 03882)
Technical Specifications
ParameterValue
NSN3455-00-540-0279
Primary Part Number1-1561-1125
Item NameCutter,milling,woodruff Keyseat
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerNew York Twist Drill Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-005-2533984641-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
1315-00-028-4682 INTERCHANGEABLE
Cartridge,75 Millimeter
6135-00-120-1022 INTERCHANGEABLE
Battery,nonrechargeable
2590-00-135-62771631201 INTERCHANGEABLE
Horn,tractor
Caterpillar Inc Div Caterpillar Defense
5330-00-292-378911764 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5935-00-295-4825XK3-11 INTERCHANGEABLE
Connector,plug,electrical
Itt Cannon Llc
5999-00-392-7921SM-C-148706 INTERCHANGEABLE
Contact Assembly,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5305-00-474-050953428 INTERCHANGEABLE
Setscrew
Smith and Smith Aircraft Co
5920-00-536-1268611R6A INTERCHANGEABLE
Retaining Tip
Dayton-Granger, Inc.
3120-00-594-0075 INTERCHANGEABLE
Bearing,sleeve
Cross-Reference Index
Part NumberManufacturer
53428 Lear Siegler Inc National Twist Drill and Tool Div (USA)
321-709 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
KSC709 Pohl Tool Co (USA)
53428 Standard Tool Co Div of Lear Siegler Inc (USA)
1-1561-1125 PRIMARY New York Twist Drill Inc (USA)
TABLE 15, 709 The American Society of Mechanical Engineers (USA)
B94.19 TABLE 17 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
16288 PRIMARY Precision Industries Inc Sharpaloy Div (USA)
40552 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
58-10176 PRIMARY Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
1321-0709 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
8027 Illinois Tool Works Inc Illinois Eclipse-Pine Bluff Div (USA)
24567 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
GGG-C-755 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
16288 PRIMARY Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
K600-709 F & D Tool Co Inc (USA)
MS15718-27 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
ASME B94.19 The American Society of Mechanical Engineers (USA)
1321-0709 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
4550Z Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
Related Parts
5950-00-005-2533INTERCHANGEABLE
TRANSFORMER,POWER
984641-1
1315-00-028-4682INTERCHANGEABLE
CARTRIDGE,75 MILLIMETER
6135-00-120-1022INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
2590-00-135-6277INTERCHANGEABLE
HORN,TRACTOR
1631201
5330-00-292-3789INTERCHANGEABLE
SEAL,PLAIN ENCASED
11764
5935-00-295-4825INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
XK3-11
5999-00-392-7921INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
SM-C-148706
5305-00-474-0509INTERCHANGEABLE
SETSCREW
53428
5920-00-536-1268INTERCHANGEABLE
RETAINING TIP
611R6A
3120-00-594-0075INTERCHANGEABLE
BEARING,SLEEVE
6530-00-597-7730INTERCHANGEABLE
PAD,PRESSURE POINT,PHYSICOTHERAP
11760
1650-00-610-3839INTERCHANGEABLE
HOUSING,PRESSURE CONTROL
189709

Frequently Asked Questions

What is NSN 3455-00-540-0279?

NSN 3455-00-540-0279 is a Cutter,milling,woodruff Keyseat, manufactured by New York Twist Drill Inc, classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-00-540-0279?

NSN 3455-00-540-0279 has 29 cross-referenced part numbers: 53428 (Lear Siegler Inc National Twist Drill and Tool Div), 321-709 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), KSC709 (Pohl Tool Co), 53428 (Standard Tool Co Div of Lear Siegler Inc), 1-1561-1125 (New York Twist Drill Inc) and 24 more.

What NSN replaces 3455-00-540-0279?

There are 12 known substitutes for 3455-00-540-0279: 5950-00-005-2533, 1315-00-028-4682, 6135-00-120-1022 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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