PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

INVOLUTE 30-7Cutter,milling,involute Gear

F & D Tool Co Inc · NSN 3455-00-239-5612 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-239-5612 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-239-5612. Primary manufacturer part number: INVOLUTE 30-7.
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 3455-00-239-5612, 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); F & D Tool Co Inc (CAGE 72295); Federal Specifications Promulgated by General Services Administration Washington DC (CAGE 81348)
Technical Specifications
ParameterValue
NSN3455-00-239-5612
Primary Part NumberINVOLUTE 30-7
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
5133-00-189-9267 INTERCHANGEABLE
Drill,twist
3455-00-239-5609INVOLUTE 30-4 INTERCHANGEABLE
Cutter,milling,involute Gear
F & D Tool Co Inc
3455-00-239-5611INVOLUTE 30-6 INTERCHANGEABLE
Cutter,milling,involute Gear
F & D Tool Co Inc
3455-00-248-9972 INTERCHANGEABLE
Cutter,milling,involute Gear
2530-00-363-5499J8126953 INTERCHANGEABLE
Cylinder,hydraulic Brake,master
Chrysler Corp Engine and Components Sales Diversified Products Div
5315-00-832-7883123905 INTERCHANGEABLE
Pin,straight,headless
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
5340-00-938-441218022 INTERCHANGEABLE
Standoff,threaded,spacing
Gyrus Acmi L.p. Dba Circon-Acmi Div
5950-00-997-2047580R266H01 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5310-01-289-9112 INTERCHANGEABLE
Nut,plain,hexagon
5950-01-369-023018022 INTERCHANGEABLE
Coil,electrical
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
7040500 Enco Mfg Co (USA)
821C-303 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
INVOLUTE 30-7 Standard Tool Co Div of Lear Siegler Inc (USA)
735 Standard Tool Co Div of Lear Siegler Inc (USA)
INVOLUTE 30-7 PRIMARY F & D Tool Co Inc (USA)
GGG-C-755 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS15701-431 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
INVOLUTE 30-7 Lear Siegler Inc National Twist Drill and Tool Div (USA)
B94.19 TABLE 25 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
18022 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
Related Parts
5133-00-189-9267INTERCHANGEABLE
DRILL,TWIST
3455-00-239-5609INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
INVOLUTE 30-4
3455-00-239-5611INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
INVOLUTE 30-6
3455-00-248-9972INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
2530-00-363-5499INTERCHANGEABLE
CYLINDER,HYDRAULIC BRAKE,MASTER
J8126953
5315-00-832-7883INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
123905
5340-00-938-4412INTERCHANGEABLE
STANDOFF,THREADED,SPACING
18022
5950-00-997-2047INTERCHANGEABLE
REACTOR
580R266H01
5310-01-289-9112INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5950-01-369-0230INTERCHANGEABLE
COIL,ELECTRICAL
18022
6350-01-501-9059INTERCHANGEABLE
KEYPAD,CONTROL-COMMUNICATOR,PROG
5340-01-559-6914INTERCHANGEABLE
COVER,ACCESS
18022

Frequently Asked Questions

What is NSN 3455-00-239-5612?

NSN 3455-00-239-5612 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 3455-00-239-5612?

NSN 3455-00-239-5612 has 10 cross-referenced part numbers: 7040500 (Enco Mfg Co), 821C-303 (Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa), INVOLUTE 30-7 (Standard Tool Co Div of Lear Siegler Inc), 735 (Standard Tool Co Div of Lear Siegler Inc), INVOLUTE 30-7 (F & D Tool Co Inc) and 5 more.

What NSN replaces 3455-00-239-5612?

There are 12 known substitutes for 3455-00-239-5612: 5133-00-189-9267, 3455-00-239-5609, 3455-00-239-5611 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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