PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50-10676 4533-7/16Reamer,machine

Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 · NSN 3455-00-531-1327 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-531-1327 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-531-1327. Primary manufacturer part number: 50-10676 4533-7/16.
Features
  • Reamer,machine — FSC 3455
  • Shank Diameter: 0.375 INCHES NOMINAL IN
  • Flute Length: 1.750 INCHES NOMINAL IN
  • Flute Design: STRAIGHT
  • Flute Cut Direction: RIGHT-HAND
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Nondefinitive Spec/std Data: 2 CLASS AND A STYLE AND X TYPE
  • Material: STEEL CUTTING EDGE TIP
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Reamer,machine, cataloged under National Stock Number 3455-00-531-1327, 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 50 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3455-00-531-1327
Primary Part Number50-10676 4533-7/16
Item NameReamer,machine
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerUnion Butterfield Corp P O Box 9000 Crystal Lake Il 60039
StatusCANCELLED
Shank Diameter0.375 INCHES NOMINAL IN
Flute Length1.750 INCHES NOMINAL IN
Flute DesignSTRAIGHT
Flute Cut DirectionRIGHT-HAND
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Nondefinitive Spec/std Data2 CLASS AND A STYLE AND X TYPE
MaterialSTEEL CUTTING EDGE TIP
Specification/standard Data80204-B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Diameter0.438 INCHES NOMINAL IN
Flute Quantity6
Flute TypeINTEGRAL
Reamer TypeFLUTED CHUCKING
GuideNOT INCLUDED
Shank TypeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4710-00-006-4572 INTERCHANGEABLE
Tube,bent,metallic
6685-00-074-4669164456 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5340-00-112-789360028 INTERCHANGEABLE
Strap,retaining
Southern Automotive Wholesalers, Inc
5965-00-128-8756 INTERCHANGEABLE
Headset,electrical
4730-00-142-204420-284 INTERCHANGEABLE
Nut,union
Pakon Inc Dba Impak Division
3110-00-156-5095118031-1 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5133-00-189-9318 INTERCHANGEABLE
Drill,twist
4730-00-196-1485A733S-32CFG INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
3455-00-204-167919597 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3455-00-204-168119575 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
Cross-Reference Index
Part NumberManufacturer
50SS-7/16 Fullerton Tool Company, Inc. (USA)
GGG-R-180 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
000-0437 Voak Engineering Co Inc (USA)
50-10676 4533-7/16 PRIMARY Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
712-025568 Doall Baltimore Company (USA)
533-4375 Lavallee & Ide Inc (USA)
31072 Lear Siegler Inc National Twist Drill and Tool Div (USA)
1655-011-7/16 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
4000-0437 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
5011-0437 PRIMARY New York Twist Drill Inc (USA)
50-10677 4533-4685 O/U Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
22223 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
19637 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
4001/630-0.4385DIA Kennametal Inc. Div Kennametal Industrial Products Group (USA)
200R-437 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
B94.2-1971 TABLE 16 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
4533-7/16 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
6200-0437 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
ANSI-B94.2 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
4703-703-7/16 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
Related Parts
4710-00-006-4572INTERCHANGEABLE
TUBE,BENT,METALLIC
6685-00-074-4669INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164456
5340-00-112-7893INTERCHANGEABLE
STRAP,RETAINING
60028
5965-00-128-8756INTERCHANGEABLE
HEADSET,ELECTRICAL
4730-00-142-2044INTERCHANGEABLE
NUT,UNION
20-284
3110-00-156-5095INTERCHANGEABLE
BEARING,BALL,ANNULAR
118031-1
5133-00-189-9318INTERCHANGEABLE
DRILL,TWIST
4730-00-196-1485INTERCHANGEABLE
NIPPLE,PIPE
A733S-32CFG
3455-00-204-1679INTERCHANGEABLE
REAMER,MACHINE
19597
3455-00-204-1681INTERCHANGEABLE
REAMER,MACHINE
19575
3455-00-236-2377INTERCHANGEABLE
REAMER,MACHINE
19647
3455-00-249-1779INTERCHANGEABLE
REAMER,MACHINE

Frequently Asked Questions

What is NSN 3455-00-531-1327?

NSN 3455-00-531-1327 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: cancelled.

What are the part numbers for NSN 3455-00-531-1327?

NSN 3455-00-531-1327 has 50 cross-referenced part numbers: 50SS-7/16 (Fullerton Tool Company, Inc.), GGG-R-180 (Federal Specifications Promulgated by General Services Administration Washington DC), 000-0437 (Voak Engineering Co Inc), 50-10676 4533-7/16 (Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039), 712-025568 (Doall Baltimore Company) and 45 more.

What NSN replaces 3455-00-531-1327?

There are 12 known substitutes for 3455-00-531-1327: 4710-00-006-4572, 6685-00-074-4669, 5340-00-112-7893 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50-10676 4533-7/16?

Key specifications for 50-10676 4533-7/16: Shank Diameter: 0.375 INCHES NOMINAL IN; Flute Length: 1.750 INCHES NOMINAL IN; Overall Length: 7.000 INCHES NOMINAL IN; Flute Design: STRAIGHT. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3455-00-531-1327 still in active supply?

NSN 3455-00-531-1327 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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