PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50-10146 4537-7/16Reamer,machine

Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 · NSN 3455-00-516-5045 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-516-5045 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-516-5045. Primary manufacturer part number: 50-10146 4537-7/16.
Features
  • Reamer,machine — FSC 3455
  • Reamer Type: FLUTED CHUCKING
  • Flute Length: 1.750 INCHES NOMINAL IN
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Specification/standard Data: 80204-B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL CUTTING EDGE TIP
  • Flute Cut Direction: RIGHT-HAND
  • Shank Taper Number: 1
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Reamer,machine, cataloged under National Stock Number 3455-00-516-5045, 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 24 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
NSN3455-00-516-5045
Primary Part Number50-10146 4537-7/16
Item NameReamer,machine
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerUnion Butterfield Corp P O Box 9000 Crystal Lake Il 60039
StatusACTIVE
Reamer TypeFLUTED CHUCKING
Flute Length1.750 INCHES NOMINAL IN
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Specification/standard Data80204-B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL CUTTING EDGE TIP
Flute Cut DirectionRIGHT-HAND
Shank Taper Number1
Flute Quantity6
Shank TypeMORSE TAPER
Diameter0.438 INCHES NOMINAL IN
Helix DirectionRIGHT-HAND
Flute DesignSPIRAL
GuideNOT INCLUDED
Flute TypeINTEGRAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4810-00-111-301219818 INTERCHANGEABLE
Insulator,shutoff Valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5330-00-196-1779 INTERCHANGEABLE
Seal,plain Encased
3455-00-232-4106 INTERCHANGEABLE
Reamer,machine
3455-00-232-410919834 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3455-00-232-4115 INTERCHANGEABLE
Reamer,machine
9540-00-238-1553 INTERCHANGEABLE
Angle,structural
5940-00-247-3452 INTERCHANGEABLE
Terminal,lug
3455-00-260-332419835 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
4730-00-353-918920628 INTERCHANGEABLE
Strainer Element,sediment
Cummins Inc.
5330-00-438-5100A311697007 INTERCHANGEABLE
Seal,plain
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
Cross-Reference Index
Part NumberManufacturer
4537-7/16 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
232R-437 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
50-10146 4537-7/16 PRIMARY Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
4035-0437 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
4035-0437 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
GGG-R-180 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
36241 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
19818 PRIMARY Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
36241 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
31228 Standard Tool Co Div of Lear Siegler Inc (USA)
31228 Lear Siegler Inc National Twist Drill and Tool Div (USA)
612-7/16 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
1654-007-7/16 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
20628 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
B94.2-1971 TABLE 19 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
5531-0437 PRIMARY New York Twist Drill Inc (USA)
21858 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
644-429B Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
712-041318 PRIMARY Doall Baltimore Company (USA)
537-4375 Lavallee & Ide Inc (USA)
Related Parts
4810-00-111-3012INTERCHANGEABLE
INSULATOR,SHUTOFF VALVE
19818
5330-00-196-1779INTERCHANGEABLE
SEAL,PLAIN ENCASED
3455-00-232-4106INTERCHANGEABLE
REAMER,MACHINE
3455-00-232-4109INTERCHANGEABLE
REAMER,MACHINE
19834
3455-00-232-4115INTERCHANGEABLE
REAMER,MACHINE
9540-00-238-1553INTERCHANGEABLE
ANGLE,STRUCTURAL
5940-00-247-3452INTERCHANGEABLE
TERMINAL,LUG
3455-00-260-3324INTERCHANGEABLE
REAMER,MACHINE
19835
4730-00-353-9189INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
20628
5330-00-438-5100INTERCHANGEABLE
SEAL,PLAIN
A311697007
3455-00-516-4058INTERCHANGEABLE
REAMER,MACHINE
19837
3455-00-516-5040INTERCHANGEABLE
REAMER,MACHINE
19841

Frequently Asked Questions

What is NSN 3455-00-516-5045?

NSN 3455-00-516-5045 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 3455-00-516-5045?

NSN 3455-00-516-5045 has 24 cross-referenced part numbers: 4537-7/16 (Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039), 232R-437 (Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa), 50-10146 4537-7/16 (Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039), 4035-0437 (Kennametal Inc. Div Kennametal Industrial Products Group), 4035-0437 (Cleveland Twist Drill Co Div of Greenfield Industries Inc) and 19 more.

What NSN replaces 3455-00-516-5045?

There are 12 known substitutes for 3455-00-516-5045: 4810-00-111-3012, 5330-00-196-1779, 3455-00-232-4106 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50-10146 4537-7/16?

Key specifications for 50-10146 4537-7/16: Reamer Type: FLUTED CHUCKING; Flute Length: 1.750 INCHES NOMINAL IN; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED; Specification/standard Data: 80204-B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 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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