PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

83-421Holder,cutting Tool

Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. · NSN 3460-00-274-7378 · FSC 3460 · No Item Name Available
Verified by PartsTable
NSN 3460-00-274-7378 — this item is cataloged by the U.S. Government under National Stock Number 3460-00-274-7378. Primary manufacturer part number: 83-421.
Features
  • Holder,cutting Tool — FSC 3460
  • Holder Type: STRAIGHT
  • Spring Type Feature: NOT INCLUDED
  • Design Type: BORING
  • Accessory Components and Quantity: BORING BARS 3,END CAPS 9,HIGH SPEED CUTTERS 9,COMBINATION WRENCH 1
  • Cutter Tool Accommodated: BORING BAR
  • Diameter: 0.938 INCHES NOMINAL IN
  • Cutting Tool Shape: ROUND BORING BAR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Holder,cutting Tool, cataloged under National Stock Number 3460-00-274-7378, is classified within Federal Supply Class 3460 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 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
NSN3460-00-274-7378
Primary Part Number83-421
Item NameHolder,cutting Tool
FSC / FSG3460 / 34 — No Item Name Available
ManufacturerEasco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.
StatusACTIVE
Holder TypeSTRAIGHT
Spring Type FeatureNOT INCLUDED
Design TypeBORING
Accessory Components and QuantityBORING BARS 3,END CAPS 9,HIGH SPEED CUTTERS 9,COMBINATION WRENCH 1
Cutter Tool AccommodatedBORING BAR
Diameter0.938 INCHES NOMINAL IN
Cutting Tool ShapeROUND BORING BAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5815-00-126-867583421 INTERCHANGEABLE
Pad,felt
Lucent Technologies Inc Corporate Headquarters
4010-00-129-3221 INTERCHANGEABLE
Chain,weldless
5120-00-144-262483421 INTERCHANGEABLE
Pilot and Nut,cutte
Curtiss-Wright Controls, Inc. Div Actuation Division
3110-00-156-1713 INTERCHANGEABLE
Bearing,ball,thrust
5935-00-162-1256 INTERCHANGEABLE
Dummy Plug,telephone
5210-00-221-208154-472-002 INTERCHANGEABLE
Gage,small Hole
Fred V. Fowler Company, L.l.c.
3460-00-274-7377 INTERCHANGEABLE
Holder,cutting Tool
5315-00-402-0529 INTERCHANGEABLE
Pin,segment
5905-00-578-0024 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
6350-00-643-3592 INTERCHANGEABLE
Buzzer
Cross-Reference Index
Part NumberManufacturer
83-421 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
A-A-51137 TY 2 ST B NO. G-L-54 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
OO-H-581 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-51137 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
83-421 Apex Tool Group, Llc Dba Nicholson (USA)
4B Armstrong Bros Tool Co (USA)
83-421 Armstrong Bros Tool Co (USA)
Related Parts
5815-00-126-8675INTERCHANGEABLE
PAD,FELT
83421
4010-00-129-3221INTERCHANGEABLE
CHAIN,WELDLESS
5120-00-144-2624INTERCHANGEABLE
PILOT AND NUT,CUTTE
83421
3110-00-156-1713INTERCHANGEABLE
BEARING,BALL,THRUST
5935-00-162-1256INTERCHANGEABLE
DUMMY PLUG,TELEPHONE
5210-00-221-2081INTERCHANGEABLE
GAGE,SMALL HOLE
54-472-002
3460-00-274-7377INTERCHANGEABLE
HOLDER,CUTTING TOOL
5315-00-402-0529INTERCHANGEABLE
PIN,SEGMENT
5905-00-578-0024INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
6350-00-643-3592INTERCHANGEABLE
BUZZER
5365-00-664-3501INTERCHANGEABLE
SHIM
2520-00-779-3834INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR

Frequently Asked Questions

What is NSN 3460-00-274-7378?

NSN 3460-00-274-7378 is a Holder,cutting Tool, manufactured by Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc., classified under FSC 3460 (No Item Name Available). Status: active.

What are the part numbers for NSN 3460-00-274-7378?

NSN 3460-00-274-7378 has 7 cross-referenced part numbers: 83-421 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), A-A-51137 TY 2 ST B NO. G-L-54 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), OO-H-581 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-51137 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 83-421 (Apex Tool Group, Llc Dba Nicholson) and 2 more.

What NSN replaces 3460-00-274-7378?

There are 12 known substitutes for 3460-00-274-7378: 5815-00-126-8675, 4010-00-129-3221, 5120-00-144-2624 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 83-421?

Key specifications for 83-421: Holder Type: STRAIGHT; Spring Type Feature: NOT INCLUDED; Design Type: BORING; Accessory Components and Quantity: BORING BARS 3,END CAPS 9,HIGH SPEED CUTTERS 9,COMBINATION WRENCH 1. 8 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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