PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

INVOLUTE 30-4Cutter,milling,involute Gear

F & D Tool Co Inc · NSN 3455-00-239-5609 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-239-5609 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-239-5609. Primary manufacturer part number: INVOLUTE 30-4.
Features
  • Cutter,milling,involute Gear — FSC 3455
  • 10 verified cross-references
  • Primary manufacturer: F & D Tool Co Inc
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Cutter,milling,involute Gear, cataloged under National Stock Number 3455-00-239-5609, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is F & D Tool Co Inc. This item has 10 commercial cross-references from 8 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); Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (CAGE 09058); Standard Tool Co Div of Lear Siegler Inc (CAGE 78197); 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
NSN3455-00-239-5609
Primary Part NumberINVOLUTE 30-4
Item NameCutter,milling,involute Gear
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerF & D Tool Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-051-0347580R233H01 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6620-00-181-596618019 INTERCHANGEABLE
Ring
Ranco Inc Ranco Controls Div
5133-00-189-9264 INTERCHANGEABLE
Drill,twist
5365-00-205-956518019 INTERCHANGEABLE
Spacer,ring
Paccar Winch Inc Dba Paccar Winch Division
4320-00-232-567818019 INTERCHANGEABLE
Vane Set,rotary
Coffin Turbo Pump Inc
3455-00-239-5611INVOLUTE 30-6 INTERCHANGEABLE
Cutter,milling,involute Gear
F & D Tool Co Inc
3455-00-239-5612INVOLUTE 30-7 INTERCHANGEABLE
Cutter,milling,involute Gear
F & D Tool Co Inc
3455-00-248-9972 INTERCHANGEABLE
Cutter,milling,involute Gear
5330-00-251-8535 INTERCHANGEABLE
Gasket
5905-00-324-63688107468 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
7038840 Enco Mfg Co (USA)
821C-303 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
INVOLUTE 30-4 Standard Tool Co Div of Lear Siegler Inc (USA)
B94.19 TABLE 25 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
735 Standard Tool Co Div of Lear Siegler Inc (USA)
MS15701-428 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
INVOLUTE 30-4 Lear Siegler Inc National Twist Drill and Tool Div (USA)
GGG-C-755 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
INVOLUTE 30-4 PRIMARY F & D Tool Co Inc (USA)
18019 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
Related Parts
5950-00-051-0347INTERCHANGEABLE
REACTOR
580R233H01
6620-00-181-5966INTERCHANGEABLE
RING
18019
5133-00-189-9264INTERCHANGEABLE
DRILL,TWIST
5365-00-205-9565INTERCHANGEABLE
SPACER,RING
18019
4320-00-232-5678INTERCHANGEABLE
VANE SET,ROTARY
18019
3455-00-239-5611INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
INVOLUTE 30-6
3455-00-239-5612INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
INVOLUTE 30-7
3455-00-248-9972INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
5330-00-251-8535INTERCHANGEABLE
GASKET
5905-00-324-6368INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
8107468
5930-00-874-3096INTERCHANGEABLE
SPRING,PRESSURE SWI
1801-9
5325-00-884-0114INTERCHANGEABLE
RING,RETAINING
18019

Frequently Asked Questions

What is NSN 3455-00-239-5609?

NSN 3455-00-239-5609 is a Cutter,milling,involute Gear, manufactured by F & D Tool Co Inc, classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-00-239-5609?

NSN 3455-00-239-5609 has 10 cross-referenced part numbers: 7038840 (Enco Mfg Co), 821C-303 (Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa), INVOLUTE 30-4 (Standard Tool Co Div of Lear Siegler Inc), B94.19 TABLE 25 (American National Standards Institute Incorporated Dba American National Standards Institute), 735 (Standard Tool Co Div of Lear Siegler Inc) and 5 more.

What NSN replaces 3455-00-239-5609?

There are 12 known substitutes for 3455-00-239-5609: 5950-00-051-0347, 6620-00-181-5966, 5133-00-189-9264 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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