PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PAC20-4ACutter,milling,end

Weldon Tool Co the · NSN 3455-01-073-1181 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-01-073-1181 — this item is cataloged by the U.S. Government under National Stock Number 3455-01-073-1181. Primary manufacturer part number: PAC20-4A.
Features
  • Cutter,milling,end — FSC 3455
  • 23 verified cross-references
  • Primary manufacturer: Weldon Tool Co the
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cutter,milling,end, cataloged under National Stock Number 3455-01-073-1181, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Weldon Tool Co the. This item has 23 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCutter,milling,end
FSC / FSG3455 — No Item Name Available (FSG 34)
ManufacturersWeldon Tool Co the (CAGE 64560); Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (CAGE 71485); Kennametal Inc. Div Kennametal Industrial Products Group (CAGE 1NEX4); Colt Industries Operating Corp Pratt and Whitney Machine Tool Div (CAGE 48521); American National Standards Institute Incorporated Dba American National Standards Institute (CAGE 80204)
Technical Specifications
ParameterValue
NSN3455-01-073-1181
Primary Part NumberPAC20-4A
Item NameCutter,milling,end
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerWeldon Tool Co the
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-042-7652 INTERCHANGEABLE
Nut,plain,slotted,hexagon
5950-00-069-98922282188 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-100-0254477 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3110-00-112-6331043514 INTERCHANGEABLE
Bearing,roller,journal
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
5330-00-118-773031516 INTERCHANGEABLE
Gasket
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
3110-00-155-9000I70951 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3030-00-187-3405A84 INTERCHANGEABLE
Belt,v
Gates Corporation
2920-00-255-41941125110B INTERCHANGEABLE
Rotor,ignition Distributor
Hyster-Yale Group, Inc. Dba Yale Materials Handling
5315-00-474-475242864 INTERCHANGEABLE
Key,universal Link
Eaton Aerospace, Llc Dba Jackson South
1620-00-491-08775532 INTERCHANGEABLE
Striker,micro Switch
Goodrich Aerospace Canada Ltd
Cross-Reference Index
Part NumberManufacturer
PAC20-4A Weldon Tool Co the (USA)
S455C Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
42864 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
AL20-4 Weldon Tool Co the (USA)
31516 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
32583 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
557-5/8 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
B94.19 TABLE 68 5/8 DIA CUT American National Standards Institute Incorporated Dba American National Standards Institute (USA)
FL-20CO Universal Cutting Tools Inc (USA)
412C-20 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
51-10139 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
557-5/8 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
42864 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
15875 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
5273-0625 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
A-84 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
55325 Lear Siegler Inc National Twist Drill and Tool Div (USA)
L-42 D L S Engineering Corp (USA)
1743-0625 New York Twist Drill Inc (USA)
5273-0625 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
Related Parts
5310-00-042-7652INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
5950-00-069-9892INTERCHANGEABLE
TRANSFORMER,POWER
2282188
3110-00-100-0254INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
477
3110-00-112-6331INTERCHANGEABLE
BEARING,ROLLER,JOURNAL
043514
5330-00-118-7730INTERCHANGEABLE
GASKET
31516
3110-00-155-9000INTERCHANGEABLE
BEARING,BALL,ANNULAR
I70951
3030-00-187-3405INTERCHANGEABLE
BELT,V
A84
2920-00-255-4194INTERCHANGEABLE
ROTOR,IGNITION DISTRIBUTOR
1125110B
5315-00-474-4752INTERCHANGEABLE
KEY,UNIVERSAL LINK
42864
1620-00-491-0877INTERCHANGEABLE
STRIKER,MICRO SWITCH
5532
5330-00-526-9246INTERCHANGEABLE
GASKET
A41482
5950-00-646-3907INTERCHANGEABLE
TRANSFORMER,PULSE
L42

Frequently Asked Questions

What is NSN 3455-01-073-1181?

NSN 3455-01-073-1181 is a Cutter,milling,end, manufactured by Weldon Tool Co the, classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-01-073-1181?

NSN 3455-01-073-1181 has 23 cross-referenced part numbers: PAC20-4A (Weldon Tool Co the), S455C (Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039), 42864 (Kennametal Inc. Div Kennametal Industrial Products Group), AL20-4 (Weldon Tool Co the), 31516 (Colt Industries Operating Corp Pratt and Whitney Machine Tool Div) and 18 more.

What NSN replaces 3455-01-073-1181?

There are 12 known substitutes for 3455-01-073-1181: 5310-00-042-7652, 5950-00-069-9892, 3110-00-100-0254 and 9 more. Verify interchangeability with system specifications before substitution.

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