PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19956Reamer,machine

Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa · NSN 3455-00-232-4102 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-232-4102 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-232-4102. Primary manufacturer part number: 19956.
Features
  • Reamer,machine — FSC 3455
  • Flute Design: HELICAL
  • Flute Cut Direction: RIGHT-HAND
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Nondefinitive Spec/std Data: 3 CLASS AND A GRADE AND VIII TYPE
  • Material: STEEL CUTTING EDGE TIP
  • Helix Direction: LEFT-HAND
  • Flute Length: 6.0630 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Reamer,machine, cataloged under National Stock Number 3455-00-232-4102, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 13 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
NSN3455-00-232-4102
Primary Part Number19956
Item NameReamer,machine
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerBrown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
StatusACTIVE
Flute DesignHELICAL
Flute Cut DirectionRIGHT-HAND
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Nondefinitive Spec/std Data3 CLASS AND A GRADE AND VIII TYPE
MaterialSTEEL CUTTING EDGE TIP
Helix DirectionLEFT-HAND
Flute Length6.0630 INCHES NOMINAL IN
Flute Quantity3
Shank Diameter0.563 INCHES NOMINAL IN
Reamer TypeHELICAL TAPER PIN
Flute TypeINTEGRAL
Diameter0.4805 INCHES MINIMUM AND 0.6066 INCHES MAXIMUM IN
GuideNOT INCLUDED
Shank TypeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-004-0427PM21779 INTERCHANGEABLE
Gasket
Mason Electric Co. Dba Mason Controls
5340-00-089-9451 INTERCHANGEABLE
Clip,spring Tension
6115-00-095-408924244 INTERCHANGEABLE
Stator,generator
Prestolite Electric Inc
3110-00-100-6184104921 INTERCHANGEABLE
Ball,bearing
Chrysler Realty Company Llc Dba Daimler Chrysler
3455-00-222-413319945 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3455-00-222-413419946 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5310-00-222-72341A8537 INTERCHANGEABLE
Nut,plain,hexagon
Napco International Llc Dba Napco International Inc
3455-00-232-409319941 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3455-00-232-410019954 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3455-00-232-410119955 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
Cross-Reference Index
Part NumberManufacturer
588 9 Lavallee & Ide Inc (USA)
21779 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
19956 PRIMARY Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
GGG-R-180 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
1683-016-9 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
24244 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
37656 Lear Siegler Inc National Twist Drill and Tool Div (USA)
4240-9109 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
37656 Standard Tool Co Div of Lear Siegler Inc (USA)
C24244 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
B94.2-1971 TABLE 27 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
22626 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
650-9 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
50-11172 4588-9 PRIMARY Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
85-458 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
C650-9 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
4588-9 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
63475 PRIMARY Jcorps Dba Lashundra Craig (USA)
C4240-9109 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
300R-606 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
Related Parts
5330-00-004-0427INTERCHANGEABLE
GASKET
PM21779
5340-00-089-9451INTERCHANGEABLE
CLIP,SPRING TENSION
6115-00-095-4089INTERCHANGEABLE
STATOR,GENERATOR
24244
3110-00-100-6184INTERCHANGEABLE
BALL,BEARING
104921
3455-00-222-4133INTERCHANGEABLE
REAMER,MACHINE
19945
3455-00-222-4134INTERCHANGEABLE
REAMER,MACHINE
19946
5310-00-222-7234INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1A8537
3455-00-232-4093INTERCHANGEABLE
REAMER,MACHINE
19941
3455-00-232-4100INTERCHANGEABLE
REAMER,MACHINE
19954
3455-00-232-4101INTERCHANGEABLE
REAMER,MACHINE
19955
3455-00-232-4103INTERCHANGEABLE
REAMER,MACHINE
19957
5330-00-246-5519INTERCHANGEABLE
GASKET
7B7129

Frequently Asked Questions

What is NSN 3455-00-232-4102?

NSN 3455-00-232-4102 is a Reamer,machine, manufactured by Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa, classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-00-232-4102?

NSN 3455-00-232-4102 has 22 cross-referenced part numbers: 588 9 (Lavallee & Ide Inc), 21779 (Colt Industries Operating Corp Pratt and Whitney Machine Tool Div), 19956 (Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa), GGG-R-180 (Federal Specifications Promulgated by General Services Administration Washington DC), 1683-016-9 (Morse Cutting Tools Div of Morse Cutting Tool Corp) and 17 more.

What NSN replaces 3455-00-232-4102?

There are 12 known substitutes for 3455-00-232-4102: 5330-00-004-0427, 5340-00-089-9451, 6115-00-095-4089 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19956?

Key specifications for 19956: Flute Design: HELICAL; Flute Cut Direction: RIGHT-HAND; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED; Nondefinitive Spec/std Data: 3 CLASS AND A GRADE AND VIII TYPE. 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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