PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50-10066 4535-1/4Reamer,machine

Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 · NSN 3455-01-047-4287 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-01-047-4287 — this item is cataloged by the U.S. Government under National Stock Number 3455-01-047-4287. Primary manufacturer part number: 50-10066 4535-1/4.
Features
  • Reamer,machine — FSC 3455
  • Flute Design: HELICAL
  • Diameter: 0.250 INCHES NOMINAL IN
  • Helix Direction: RIGHT-HAND
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Specification/standard Data: 80204-B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL CUTTING EDGE TIP
  • Flute Type: INTEGRAL
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Reamer,machine, cataloged under National Stock Number 3455-01-047-4287, 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. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 14 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
NSN3455-01-047-4287
Primary Part Number50-10066 4535-1/4
Item NameReamer,machine
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerUnion Butterfield Corp P O Box 9000 Crystal Lake Il 60039
StatusACTIVE
Flute DesignHELICAL
Diameter0.250 INCHES NOMINAL IN
Helix DirectionRIGHT-HAND
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Specification/standard Data80204-B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL CUTTING EDGE TIP
Flute TypeINTEGRAL
Shank TypeSTRAIGHT
Flute Quantity6
Shank Diameter0.240 INCHES NOMINAL IN
Flute Length1.500 INCHES NOMINAL IN
Flute Cut DirectionRIGHT-HAND
GuideNOT INCLUDED
Reamer TypeFLUTED CHUCKING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1560-00-025-516850-820103 INTERCHANGEABLE
Yoke,steering,nose Gear
Textron Aviation Inc
5950-00-045-116161114 INTERCHANGEABLE
Transformer,audio Frequency
Dynalec Corporation
5905-00-075-0511900451-5 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5935-00-201-7941SMB342494 INTERCHANGEABLE
Plug,telephone
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-00-263-6460 INTERCHANGEABLE
Tee,tube
3110-00-271-0271 INTERCHANGEABLE
Bearing,ball,annular
1680-00-276-940921713 INTERCHANGEABLE
Plate,control Shake
Safe Flight Instrument, Llc
3456-00-349-9354 INTERCHANGEABLE
Roll Set,roller Tube Expander
5930-00-351-717760-416 INTERCHANGEABLE
Switch,rotary
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
1560-00-397-763021713 INTERCHANGEABLE
Bracket,gyro
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
Cross-Reference Index
Part NumberManufacturer
611-1/4 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
4535-1/4 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
31616 Standard Tool Co Div of Lear Siegler Inc (USA)
201-428A Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
50-10066 4535-1/4 PRIMARY Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
535.2500 Lavallee & Ide Inc (USA)
4030-0250 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
C29709 PRIMARY Kennametal Inc. Div Kennametal Industrial Products Group (USA)
202R-250 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
20416 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
GGG-R-180 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
19679 PRIMARY Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
29709 PRIMARY Kennametal Inc. Div Kennametal Industrial Products Group (USA)
B94.2-1971 TABLE 18 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
31616 Lear Siegler Inc National Twist Drill and Tool Div (USA)
611-1/4 PRIMARY Kennametal Inc. Div Kennametal Industrial Products Group (USA)
1653-005-1/4 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
712-003763 PRIMARY Doall Baltimore Company (USA)
29709 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
21713 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
Related Parts
1560-00-025-5168INTERCHANGEABLE
YOKE,STEERING,NOSE GEAR
50-820103
5950-00-045-1161INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
61114
5905-00-075-0511INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
900451-5
5935-00-201-7941INTERCHANGEABLE
PLUG,TELEPHONE
SMB342494
4730-00-263-6460INTERCHANGEABLE
TEE,TUBE
3110-00-271-0271INTERCHANGEABLE
BEARING,BALL,ANNULAR
1680-00-276-9409INTERCHANGEABLE
PLATE,CONTROL SHAKE
21713
3456-00-349-9354INTERCHANGEABLE
ROLL SET,ROLLER TUBE EXPANDER
5930-00-351-7177INTERCHANGEABLE
SWITCH,ROTARY
60-416
1560-00-397-7630INTERCHANGEABLE
BRACKET,GYRO
21713
2825-00-560-6707INTERCHANGEABLE
VALVE SLEEVE,PISTON
5120-00-595-9183INTERCHANGEABLE
WRENCH,SPANNER

Frequently Asked Questions

What is NSN 3455-01-047-4287?

NSN 3455-01-047-4287 is a Reamer,machine, 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 3455-01-047-4287?

NSN 3455-01-047-4287 has 25 cross-referenced part numbers: 611-1/4 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), 4535-1/4 (Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039), 31616 (Standard Tool Co Div of Lear Siegler Inc), 201-428A (Colt Industries Operating Corp Pratt and Whitney Machine Tool Div), 50-10066 4535-1/4 (Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039) and 20 more.

What NSN replaces 3455-01-047-4287?

There are 12 known substitutes for 3455-01-047-4287: 1560-00-025-5168, 5950-00-045-1161, 5905-00-075-0511 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50-10066 4535-1/4?

Key specifications for 50-10066 4535-1/4: Flute Design: HELICAL; Diameter: 0.250 INCHES NOMINAL IN; Helix Direction: RIGHT-HAND; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED. 15 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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