PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31246Reamer,machine

Lear Siegler Inc National Twist Drill and Tool Div · NSN 3455-00-516-5071 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-516-5071 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-516-5071. Primary manufacturer part number: 31246.
Features
  • Reamer,machine — FSC 3455
  • Flute Quantity: 7
  • Reamer Type: FLUTED CHUCKING
  • Specification/standard Data: 80204-B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL CUTTING EDGE TIP
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Shank Taper Number: 2
  • Shank Type: MORSE TAPER
Applications
  • Applications requiring Steel Cutting Edge Tip construction
General Description

The Reamer,machine, cataloged under National Stock Number 3455-00-516-5071, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Lear Siegler Inc National Twist Drill and Tool Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 16 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
NSN3455-00-516-5071
Primary Part Number31246
Item NameReamer,machine
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerLear Siegler Inc National Twist Drill and Tool Div
StatusACTIVE
Flute Quantity7
Reamer TypeFLUTED CHUCKING
Specification/standard Data80204-B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL CUTTING EDGE TIP
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Shank Taper Number2
Shank TypeMORSE TAPER
Helix DirectionRIGHT-HAND
Flute Cut DirectionRIGHT-HAND
Flute TypeINTEGRAL
GuideNOT INCLUDED
Flute DesignHELICAL
Diameter0.719 INCHES NOMINAL IN
Flute Length2.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-044-06232206-0038 INTERCHANGEABLE
Rubber Strip
Cmc of Georgia, Inc.
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
5133-00-236-4028 INTERCHANGEABLE
Drill,twist
3455-00-260-332419835 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5950-00-268-898731246 INTERCHANGEABLE
Transformer,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
5330-00-310-910475906 INTERCHANGEABLE
Gasket
Textron Lycoming Inc Williamsport Plant
5355-00-434-4221 INTERCHANGEABLE
Knob
3455-00-516-405819837 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
Cross-Reference Index
Part NumberManufacturer
31246 Lear Siegler Inc National Twist Drill and Tool Div (USA)
50-10155 Cts Corp Electromechanical Div (USA)
612-23/32 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
1654-016-23/32 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
537-7188 Lavallee & Ide Inc (USA)
4537-23/32 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
50-10155 4537-23/32 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
5531-0718 New York Twist Drill Inc (USA)
232R-718 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
61246 Jcorps Dba Lashundra Craig (USA)
665-429B Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
4035-0718 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
19827 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
31246 Standard Tool Co Div of Lear Siegler Inc (USA)
4035-0718 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
612-23/32 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
712-041763 Doall Baltimore Company (USA)
36842 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
B94.2-1971 TABLE 19 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
GGG-R-180 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5330-00-044-0623INTERCHANGEABLE
RUBBER STRIP
2206-0038
3455-00-232-4106INTERCHANGEABLE
REAMER,MACHINE
3455-00-232-4109INTERCHANGEABLE
REAMER,MACHINE
19834
3455-00-232-4115INTERCHANGEABLE
REAMER,MACHINE
5133-00-236-4028INTERCHANGEABLE
DRILL,TWIST
3455-00-260-3324INTERCHANGEABLE
REAMER,MACHINE
19835
5950-00-268-8987INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
31246
5330-00-310-9104INTERCHANGEABLE
GASKET
75906
5355-00-434-4221INTERCHANGEABLE
KNOB
3455-00-516-4058INTERCHANGEABLE
REAMER,MACHINE
19837
3455-00-516-5040INTERCHANGEABLE
REAMER,MACHINE
19841
3455-00-516-5042INTERCHANGEABLE
REAMER,MACHINE
19839

Frequently Asked Questions

What is NSN 3455-00-516-5071?

NSN 3455-00-516-5071 is a Reamer,machine, manufactured by Lear Siegler Inc National Twist Drill and Tool Div, classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-00-516-5071?

NSN 3455-00-516-5071 has 25 cross-referenced part numbers: 31246 (Lear Siegler Inc National Twist Drill and Tool Div), 50-10155 (Cts Corp Electromechanical Div), 612-23/32 (Kennametal Inc. Div Kennametal Industrial Products Group), 1654-016-23/32 (Morse Cutting Tools Div of Morse Cutting Tool Corp), 537-7188 (Lavallee & Ide Inc) and 20 more.

What NSN replaces 3455-00-516-5071?

There are 12 known substitutes for 3455-00-516-5071: 5330-00-044-0623, 3455-00-232-4106, 3455-00-232-4109 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31246?

Key specifications for 31246: Flute Quantity: 7; Overall Length: 9.000 INCHES NOMINAL IN; Reamer Type: FLUTED CHUCKING; 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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