PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS15701-78Cutter,milling,involute Gear

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 3455-00-227-9812 · FSC 3455 · No Item Name Available
Verified by PartsTable
NSN 3455-00-227-9812 — this item is cataloged by the U.S. Government under National Stock Number 3455-00-227-9812. Primary manufacturer part number: MS15701-78.
Features
  • Cutter,milling,involute Gear — FSC 3455
  • 7 verified cross-references
  • Primary manufacturer: Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Cutter,milling,involute Gear, cataloged under National Stock Number 3455-00-227-9812, is classified within Federal Supply Class 3455 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 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)
ManufacturersMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M (CAGE 96906); 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); Lear Siegler Inc National Twist Drill and Tool Div (CAGE 42970)
Technical Specifications
ParameterValue
NSN3455-00-227-9812
Primary Part NumberMS15701-78
Item NameCutter,milling,involute Gear
FSC / FSG3455 / 34 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3455-00-227-9807INVOLUTE PITCH3 NO.1 5-1/4 INTERCHANGEABLE
Cutter,milling,involute Gear
F & D Tool Co Inc
3455-00-227-9808INVOLUTE PITCH3 NO.2 5-1/4 INTERCHANGEABLE
Cutter,milling,involute Gear
F & D Tool Co Inc
3455-00-227-9809INVOLUTE PITCH3 NO.3 5-1/4 INTERCHANGEABLE
Cutter,milling,involute Gear
F & D Tool Co Inc
3455-00-227-9811INVOLUTE 3-5 5-1/4 INTERCHANGEABLE
Cutter,milling,involute Gear
F & D Tool Co Inc
3455-00-227-9814INVOLUTE 3-8 5-1/4 INTERCHANGEABLE
Cutter,milling,involute Gear
F & D Tool Co Inc
5962-01-076-6603932820-74 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
5995-01-381-7135 INTERCHANGEABLE
Cable Assembly,special Purpose,e
4920-01-582-383417709 INTERCHANGEABLE
Cable Assembly,interface Device,
Sea-Bird Electronics, Inc Dba Sea-Bird Scientific
Cross-Reference Index
Part NumberManufacturer
MS15701-78 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
821C-31 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
17709 Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa (USA)
735 3-6 5-1/4 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 3-6 5-1/4 Lear Siegler Inc National Twist Drill and Tool Div (USA)
GGG-C-755 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
3455-00-227-9807INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
INVOLUTE PITCH3 NO.1 5-1/4
3455-00-227-9808INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
INVOLUTE PITCH3 NO.2 5-1/4
3455-00-227-9809INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
INVOLUTE PITCH3 NO.3 5-1/4
3455-00-227-9811INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
INVOLUTE 3-5 5-1/4
3455-00-227-9814INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
INVOLUTE 3-8 5-1/4
5962-01-076-6603INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932820-74
5995-01-381-7135INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
4920-01-582-3834INTERCHANGEABLE
CABLE ASSEMBLY,INTERFACE DEVICE,
17709

Frequently Asked Questions

What is NSN 3455-00-227-9812?

NSN 3455-00-227-9812 is a Cutter,milling,involute Gear, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3455 (No Item Name Available). Status: active.

What are the part numbers for NSN 3455-00-227-9812?

NSN 3455-00-227-9812 has 7 cross-referenced part numbers: MS15701-78 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 821C-31 (Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa), 17709 (Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa), 735 3-6 5-1/4 (Standard Tool Co Div of Lear Siegler Inc), B94.19 TABLE 25 (American National Standards Institute Incorporated Dba American National Standards Institute) and 2 more.

What NSN replaces 3455-00-227-9812?

There are 8 known substitutes for 3455-00-227-9812: 3455-00-227-9807, 3455-00-227-9808, 3455-00-227-9809 and 5 more. Verify interchangeability with system specifications before substitution.

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