PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7040440Cutter,milling,involute Gear

Enco Mfg Co · NSN 3455-00-239-5595 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-239-5595 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-239-5595. Primary manufacturer part number: 7040440.
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 3455-00-239-5595, 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 9 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); Standard Tool Co Div of Lear Siegler Inc (CAGE 78197); American National Standards Institute Incorporated Dba American National Standards Institute (CAGE 80204); Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (CAGE 09058); Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (CAGE 71485)
Technical Specifications
ParameterValue
NSN3455-00-239-5595
Primary Part Number7040440
Item NameCutter,milling,involute Gear
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerEnco Mfg Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3455-00-238-7664 INTERCHANGEABLE
Cutter,milling,involute Gear
3455-00-239-558954-10128 INTERCHANGEABLE
Cutter,milling,involute Gear
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
3455-00-239-559254-10123 INTERCHANGEABLE
Cutter,milling,involute Gear
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
3455-00-517-599254-10127 INTERCHANGEABLE
Cutter,milling,involute Gear
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5985-00-539-6063 INTERCHANGEABLE
Antenna Subassembly
5325-00-637-2369214-16 INTERCHANGEABLE
Receptacle,turnlock Fastener
Howmet Global Fastening Systems Inc Div Camloc Products
3040-00-718-7766 INTERCHANGEABLE
Collar,shaft
2010-00-779-6258 INTERCHANGEABLE
Lug,drive,upper
4820-01-107-4271N53607 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
3655-01-205-7238240-029 INTERCHANGEABLE
Crosshead
Hydro-Test Products, Inc. Dba Hydro-Test Products Inc
Cross-Reference Index
Part NumberManufacturer
7040440 Enco Mfg Co (USA)
735 Standard Tool Co Div of Lear Siegler Inc (USA)
B94.19 TABLE 25 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
821C-243 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
R500 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
54-10129 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
MS15701-399 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
53607 Lear Siegler Inc National Twist Drill and Tool Div (USA)
17998 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
GGG-C-755 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
53607 Standard Tool Co Div of Lear Siegler Inc (USA)
1940 PITCH24 CUTTER7 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
Related Parts
3455-00-238-7664INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
3455-00-239-5589INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
54-10128
3455-00-239-5592INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
54-10123
3455-00-517-5992INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
54-10127
5985-00-539-6063INTERCHANGEABLE
ANTENNA SUBASSEMBLY
5325-00-637-2369INTERCHANGEABLE
RECEPTACLE,TURNLOCK FASTENER
214-16
3040-00-718-7766INTERCHANGEABLE
COLLAR,SHAFT
2010-00-779-6258INTERCHANGEABLE
LUG,DRIVE,UPPER
4820-01-107-4271INTERCHANGEABLE
CAP,VALVE
N53607
3655-01-205-7238INTERCHANGEABLE
CROSSHEAD
240-029
5210-01-364-3092INTERCHANGEABLE
INDICATOR,DIAL
361J
5998-01-523-0275INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
53607

Frequently Asked Questions

What is NSN 3455-00-239-5595?

NSN 3455-00-239-5595 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 3455-00-239-5595?

NSN 3455-00-239-5595 has 12 cross-referenced part numbers: 7040440 (Enco Mfg Co), 735 (Standard Tool Co Div of Lear Siegler Inc), B94.19 TABLE 25 (American National Standards Institute Incorporated Dba American National Standards Institute), 821C-243 (Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa), R500 (Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039) and 7 more.

What NSN replaces 3455-00-239-5595?

There are 12 known substitutes for 3455-00-239-5595: 3455-00-238-7664, 3455-00-239-5589, 3455-00-239-5592 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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