PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4001/630-0.8430DIAReamer,machine

Kennametal Inc. Div Kennametal Industrial Products Group · NSN 3455-00-257-1731 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-257-1731 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-257-1731. Primary manufacturer part number: 4001/630-0.8430DIA.
Features
  • Reamer,machine — FSC 3455
  • Flute Design: STRAIGHT
  • Diameter: 0.812 INCHES NOMINAL IN
  • Flute Cut Direction: RIGHT-HAND
  • Material: STEEL CUTTING EDGE TIP
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Nondefinitive Spec/std Data: 2 CLASS AND A GRADE AND A STYLE AND X TYPE
  • Flute Type: INTEGRAL
Applications
  • Applications requiring Steel Cutting Edge Tip construction
General Description

The Reamer,machine, cataloged under National Stock Number 3455-00-257-1731, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Kennametal Inc. Div Kennametal Industrial Products Group. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3455-00-257-1731
Primary Part Number4001/630-0.8430DIA
Item NameReamer,machine
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerKennametal Inc. Div Kennametal Industrial Products Group
StatusACTIVE
Flute DesignSTRAIGHT
Diameter0.812 INCHES NOMINAL IN
Flute Cut DirectionRIGHT-HAND
MaterialSTEEL CUTTING EDGE TIP
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Nondefinitive Spec/std Data2 CLASS AND A GRADE AND A STYLE AND X TYPE
Flute TypeINTEGRAL
Shank Diameter0.625 INCHES NOMINAL IN
Flute Quantity8
Reamer TypeFLUTED CHUCKING
Flute Length2.500 INCHES NOMINAL IN
Shank TypeSTRAIGHT
GuideNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3020-00-976-1179 INTERCHANGEABLE
Gear,spur
5305-00-984-4988LS1091338-228 INTERCHANGEABLE
Screw,machine
General Dynamics Land Systems Inc.
3040-01-187-141026809 INTERCHANGEABLE
Cylinder,actuating,linear
Moog Inc. Dba Ampac-Isp Corp
5998-01-287-74954300D026-1 INTERCHANGEABLE
Circuit Card Assembly
L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division
Cross-Reference Index
Part NumberManufacturer
4001/630-0.8430DIA Kennametal Inc. Div Kennametal Industrial Products Group (USA)
4004-8430 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
ANSI-B94.2 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
26809 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
26809 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
ANSI B94.2 TY X CL2 STYLE A American National Standards Institute Incorporated Dba American National Standards Institute (USA)
4001/630-0.8430DIA Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
GGG-R-180 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
4004-8430 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
Related Parts
3020-00-976-1179INTERCHANGEABLE
GEAR,SPUR
5305-00-984-4988INTERCHANGEABLE
SCREW,MACHINE
LS1091338-228
3040-01-187-1410INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
26809
5998-01-287-7495INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4300D026-1

Frequently Asked Questions

What is NSN 3455-00-257-1731?

NSN 3455-00-257-1731 is a Reamer,machine, manufactured by Kennametal Inc. Div Kennametal Industrial Products Group, classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-00-257-1731?

NSN 3455-00-257-1731 has 9 cross-referenced part numbers: 4001/630-0.8430DIA (Kennametal Inc. Div Kennametal Industrial Products Group), 4004-8430 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), ANSI-B94.2 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 26809 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), 26809 (Kennametal Inc. Div Kennametal Industrial Products Group) and 4 more.

What NSN replaces 3455-00-257-1731?

There are 4 known substitutes for 3455-00-257-1731: 3020-00-976-1179, 5305-00-984-4988, 3040-01-187-1410 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4001/630-0.8430DIA?

Key specifications for 4001/630-0.8430DIA: Flute Design: STRAIGHT; Diameter: 0.812 INCHES NOMINAL IN; Flute Cut Direction: RIGHT-HAND; Overall Length: 9.500 INCHES NOMINAL IN. 14 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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