PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7040400Cutter,milling,involute Gear

Enco Mfg Co · NSN 3455-00-239-5587 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-239-5587 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-239-5587. Primary manufacturer part number: 7040400.
Features
  • Cutter,milling,involute Gear — FSC 3455
  • 12 verified cross-references
  • Primary manufacturer: Enco Mfg Co
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Cutter,milling,involute Gear, cataloged under National Stock Number 3455-00-239-5587, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Enco Mfg Co. This item has 12 commercial cross-references from 10 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,involute Gear
FSC / FSG3455 — No Item Name Available (FSG 34)
ManufacturersEnco Mfg Co (CAGE 20528); Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (CAGE 71485); Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (CAGE 09058); American National Standards Institute Incorporated Dba American National Standards Institute (CAGE 80204); Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M (CAGE 96906)
Technical Specifications
ParameterValue
NSN3455-00-239-5587
Primary Part Number7040400
Item NameCutter,milling,involute Gear
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerEnco Mfg Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-096-7426 INTERCHANGEABLE
Standoff,threaded,spacing
5310-00-112-142953597 INTERCHANGEABLE
Washer,special
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5340-00-223-0933609067 INTERCHANGEABLE
Plug,expansion
Aqua-Chem, Inc. Dba Aqua-Chem Inc
3455-00-227-9871 INTERCHANGEABLE
Cutter,milling,involute Gear
3455-00-227-987254-10118 INTERCHANGEABLE
Cutter,milling,involute Gear
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5940-00-237-773617966 INTERCHANGEABLE
Terminal Board
Raytheon Company Dba Raytheon
3455-00-239-558654-10120 INTERCHANGEABLE
Cutter,milling,involute Gear
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
3455-00-248-9970 INTERCHANGEABLE
Cutter,milling,involute Gear
6685-01-478-4387 INTERCHANGEABLE
Gage,pressure,dial Indicating
5315-01-487-232353597 INTERCHANGEABLE
Pin,quick Release
Tyco Fire Products Lp
Cross-Reference Index
Part NumberManufacturer
7040400 Enco Mfg Co (USA)
54-10121 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
17966 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
B94.19 TABLE 25 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
821C-203 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
MS15701-367 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
GGG-C-755 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
1940 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
R500 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
53597 Lear Siegler Inc National Twist Drill and Tool Div (USA)
INVOLUTE 14-1/2 DEG F & D Tool Co Inc (USA)
53597 Standard Tool Co Div of Lear Siegler Inc (USA)
Related Parts
5340-00-096-7426INTERCHANGEABLE
STANDOFF,THREADED,SPACING
5310-00-112-1429INTERCHANGEABLE
WASHER,SPECIAL
53597
5340-00-223-0933INTERCHANGEABLE
PLUG,EXPANSION
609067
3455-00-227-9871INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
3455-00-227-9872INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
54-10118
5940-00-237-7736INTERCHANGEABLE
TERMINAL BOARD
17966
3455-00-239-5586INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
54-10120
3455-00-248-9970INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
6685-01-478-4387INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
5315-01-487-2323INTERCHANGEABLE
PIN,QUICK RELEASE
53597
6150-01-631-7198INTERCHANGEABLE
CABLE ASSEMBLY SET,ELECTRICAL
53597
1005-01-670-8023INTERCHANGEABLE
RIFLE,SNIPER
17966

Frequently Asked Questions

What is NSN 3455-00-239-5587?

NSN 3455-00-239-5587 is a Cutter,milling,involute Gear, manufactured by Enco Mfg Co, classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-00-239-5587?

NSN 3455-00-239-5587 has 12 cross-referenced part numbers: 7040400 (Enco Mfg Co), 54-10121 (Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039), 17966 (Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa), B94.19 TABLE 25 (American National Standards Institute Incorporated Dba American National Standards Institute), 821C-203 (Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa) and 7 more.

What NSN replaces 3455-00-239-5587?

There are 12 known substitutes for 3455-00-239-5587: 5340-00-096-7426, 5310-00-112-1429, 5340-00-223-0933 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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