PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S21Holder,cutting Tool

Armstrong Bros Tool Co · NSN 3460-00-189-9132 · FSC 3460 · No Item Name Available
Verified by PartsTable
NSN 3460-00-189-9132 — this item is cataloged by the U.S. Government under National Stock Number 3460-00-189-9132. Primary manufacturer part number: S21.
Features
  • Holder,cutting Tool — FSC 3460
  • Shank Length: 3.750 INCHES NOMINAL IN
  • Cutter Tool Accommodated: CUTTER BIT
  • Width: 0.750 INCHES NOMINAL IN
  • Accessory Components and Quantity: CUTTER BIT 1,WRENCH 1
  • Holder Type: STRAIGHT
  • Shank Height: 1.125 INCHES NOMINAL IN
  • Thickness: 0.125 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Holder,cutting Tool, cataloged under National Stock Number 3460-00-189-9132, is classified within Federal Supply Class 3460 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Armstrong Bros Tool Co. Government technical data includes 11 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
NSN3460-00-189-9132
Primary Part NumberS21
Item NameHolder,cutting Tool
FSC / FSG3460 / 34 — No Item Name Available
ManufacturerArmstrong Bros Tool Co
StatusACTIVE
Shank Length3.750 INCHES NOMINAL IN
Cutter Tool AccommodatedCUTTER BIT
Width0.750 INCHES NOMINAL IN
Accessory Components and QuantityCUTTER BIT 1,WRENCH 1
Holder TypeSTRAIGHT
Shank Height1.125 INCHES NOMINAL IN
Thickness0.125 INCHES NOMINAL IN
Spring Type FeatureINCLUDED
Cutting Tool ShapeRECTANGULAR
Shank Width0.500 INCHES NOMINAL IN
Design TypeCUTTING-OFF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6680-00-053-3961S21 INTERCHANGEABLE
Plug,sight
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
3020-00-118-375883219 INTERCHANGEABLE
Gear,spur
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5120-00-156-8609S21 INTERCHANGEABLE
Die,crimping Tool
Souriau Usa, Inc. Dba Souriau Usa Inc
5130-00-293-1411IM302A INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
1650-00-310-212120020-248-100 INTERCHANGEABLE
Filtering Disk,fluid
Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div
4810-00-325-3197S-21-INTERNAL#0319079 INTERCHANGEABLE
Seat,valve
Sloan Valve Company
3433-00-355-6243638948 INTERCHANGEABLE
Tip,welding Torch
Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng
3110-00-690-8923LM501349-LM501310 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
9905-00-721-8291S2-1B INTERCHANGEABLE
Sign,traffic
Federal Prison Industries, Inc - Ebg
4730-01-128-524120020-325-100 INTERCHANGEABLE
Strainer Element,sediment
Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div
Cross-Reference Index
Part NumberManufacturer
S21 Armstrong Bros Tool Co (USA)
521 Armstrong Bros Tool Co (USA)
00H581TYPE3CLASS1STYLEBSIZECS41 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
83-219 Apex Tool Group, Llc Dba Nicholson (USA)
83-219 Armstrong Bros Tool Co (USA)
A-A-50965TY3CL1STYLE B,NO.C-S-41 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
83-219 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
Related Parts
6680-00-053-3961INTERCHANGEABLE
PLUG,SIGHT
S21
3020-00-118-3758INTERCHANGEABLE
GEAR,SPUR
83219
5120-00-156-8609INTERCHANGEABLE
DIE,CRIMPING TOOL
S21
5130-00-293-1411INTERCHANGEABLE
SOCKET,SOCKET WRENCH
IM302A
1650-00-310-2121INTERCHANGEABLE
FILTERING DISK,FLUID
20020-248-100
4810-00-325-3197INTERCHANGEABLE
SEAT,VALVE
S-21-INTERNAL#0319079
3433-00-355-6243INTERCHANGEABLE
TIP,WELDING TORCH
638948
3110-00-690-8923INTERCHANGEABLE
BEARING,ROLLER,TAPERED
LM501349-LM501310
9905-00-721-8291INTERCHANGEABLE
SIGN,TRAFFIC
S2-1B
4730-01-128-5241INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
20020-325-100
4730-01-130-5476INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
S21-355-100
4730-01-158-8417INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
082-0233-02-0

Frequently Asked Questions

What is NSN 3460-00-189-9132?

NSN 3460-00-189-9132 is a Holder,cutting Tool, manufactured by Armstrong Bros Tool Co, classified under FSC 3460 (No Item Name Available). Status: active.

What are the part numbers for NSN 3460-00-189-9132?

NSN 3460-00-189-9132 has 7 cross-referenced part numbers: S21 (Armstrong Bros Tool Co), 521 (Armstrong Bros Tool Co), 00H581TYPE3CLASS1STYLEBSIZECS41 (Federal Specifications Promulgated by General Services Administration Washington DC), 83-219 (Apex Tool Group, Llc Dba Nicholson), 83-219 (Armstrong Bros Tool Co) and 2 more.

What NSN replaces 3460-00-189-9132?

There are 12 known substitutes for 3460-00-189-9132: 6680-00-053-3961, 3020-00-118-3758, 5120-00-156-8609 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S21?

Key specifications for S21: Shank Length: 3.750 INCHES NOMINAL IN; Cutter Tool Accommodated: CUTTER BIT; Width: 0.750 INCHES NOMINAL IN; Accessory Components and Quantity: CUTTER BIT 1,WRENCH 1. 11 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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