PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50SR-5/8Reamer,machine

Fullerton Tool Company, Inc. · NSN 3455-01-055-9639 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-01-055-9639 — this item is cataloged by the U.S. Government under National Stock Number 3455-01-055-9639. Primary manufacturer part number: 50SR-5/8.
Features
  • Reamer,machine — FSC 3455
  • Flute Design: HELICAL
  • Reamer Type: FLUTED CHUCKING
  • Material: CARBIDE CUTTING EDGE TIP
  • Nondefinitive Spec/std Data: 10 TYPE AND 2 CLASS AND B STYLE AND B GRADE
  • Material: CARBIDE LOCATION NOT OTHERWISE SPECIFIED
  • Specification/standard Data: 80204-B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Diameter: 0.625 INCHES NOMINAL IN
Applications
  • Applications requiring Carbide Cutting Edge Tip construction
General Description

The Reamer,machine, cataloged under National Stock Number 3455-01-055-9639, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Fullerton Tool Company, Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 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
NSN3455-01-055-9639
Primary Part Number50SR-5/8
Item NameReamer,machine
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerFullerton Tool Company, Inc.
StatusACTIVE
Flute DesignHELICAL
Reamer TypeFLUTED CHUCKING
MaterialCARBIDE CUTTING EDGE TIP
Nondefinitive Spec/std Data10 TYPE AND 2 CLASS AND B STYLE AND B GRADE
MaterialCARBIDE LOCATION NOT OTHERWISE SPECIFIED
Specification/standard Data80204-B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Diameter0.625 INCHES NOMINAL IN
Flute TypeINTEGRAL
Flute Quantity6
Flute Cut DirectionRIGHT-HAND
Shank Diameter0.5605 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Helix DirectionRIGHT-HAND
Shank TypeSTRAIGHT
GuideNOT INCLUDED
Flute Length2.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-001-7972 INTERCHANGEABLE
Control,maximum Signal
5315-00-327-5145 INTERCHANGEABLE
Pin,straight,headless
9390-00-462-04555516-1 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
Kirkhill, Inc. Dba Kirkhill Inc
3460-00-603-9258BD2027R INTERCHANGEABLE
Wheel,abrasive
Silver Seal Products Co Inc
5340-00-809-0322 INTERCHANGEABLE
Bumper
2920-00-840-48511949795 INTERCHANGEABLE
Winding,motor Field
Delco Remy America Inc
6695-00-963-621155-161 INTERCHANGEABLE
Transducer,motional Pickup
Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments
3455-01-100-900219680 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3455-01-149-283630033 INTERCHANGEABLE
Reamer,machine
Kennametal Inc. Div Kennametal Industrial Products Group
3455-01-189-6948712-003961 INTERCHANGEABLE
Reamer,machine
Doall Baltimore Company
Cross-Reference Index
Part NumberManufacturer
6230-0625 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
B94.2 TABLE 18 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
55161 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
50683 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
50683 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
72-10098 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
5961-5/8 Union/butterfield Div Litton Industrial Products Inc (USA)
4711/711-5/8 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
6230-0625 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
4711/711-5/8 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
50SR-5/8 PRIMARY Fullerton Tool Company, Inc. (USA)
GGG-R-180 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6685-00-001-7972INTERCHANGEABLE
CONTROL,MAXIMUM SIGNAL
5315-00-327-5145INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
9390-00-462-0455INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
5516-1
3460-00-603-9258INTERCHANGEABLE
WHEEL,ABRASIVE
BD2027R
5340-00-809-0322INTERCHANGEABLE
BUMPER
2920-00-840-4851INTERCHANGEABLE
WINDING,MOTOR FIELD
1949795
6695-00-963-6211INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
55-161
3455-01-100-9002INTERCHANGEABLE
REAMER,MACHINE
19680
3455-01-149-2836INTERCHANGEABLE
REAMER,MACHINE
30033
3455-01-189-6948INTERCHANGEABLE
REAMER,MACHINE
712-003961
7045-01-574-3061INTERCHANGEABLE
CASE,COMPUTER
999-50683
5935-01-625-0793INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
55-161

Frequently Asked Questions

What is NSN 3455-01-055-9639?

NSN 3455-01-055-9639 is a Reamer,machine, manufactured by Fullerton Tool Company, Inc., classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-01-055-9639?

NSN 3455-01-055-9639 has 12 cross-referenced part numbers: 6230-0625 (Kennametal Inc. Div Kennametal Industrial Products Group), B94.2 TABLE 18 (American National Standards Institute Incorporated Dba American National Standards Institute), 55161 (Morse Cutting Tools Div of Morse Cutting Tool Corp), 50683 (Kennametal Inc. Div Kennametal Industrial Products Group), 50683 (Cleveland Twist Drill Co Div of Greenfield Industries Inc) and 7 more.

What NSN replaces 3455-01-055-9639?

There are 12 known substitutes for 3455-01-055-9639: 6685-00-001-7972, 5315-00-327-5145, 9390-00-462-0455 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50SR-5/8?

Key specifications for 50SR-5/8: Flute Design: HELICAL; Reamer Type: FLUTED CHUCKING; Material: CARBIDE CUTTING EDGE TIP; Nondefinitive Spec/std Data: 10 TYPE AND 2 CLASS AND B STYLE AND B GRADE. 17 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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