PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26-155Cutter,milling,commutator Mica

Ideal Industries, Inc. · NSN 4940-00-273-3705 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-273-3705 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-273-3705. Primary manufacturer part number: 26-155.
Features
  • Cutter,milling,commutator Mica — FSC 4940
  • Material: STEEL
  • Outside Diameter: 0.312 INCHES NOMINAL IN
  • Thickness: 0.025 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.125 INCHES NOMINAL IN
  • Cut Shape: U-SLOT
  • 2 verified cross-references
  • Primary manufacturer: Ideal Industries, Inc.
Applications
  • Applications requiring Steel construction
General Description

The Cutter,milling,commutator Mica, cataloged under National Stock Number 4940-00-273-3705, is classified within Federal Supply Class 4940 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Ideal Industries, Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4940-00-273-3705
Primary Part Number26-155
Item NameCutter,milling,commutator Mica
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerIdeal Industries, Inc.
StatusCANCELLED
MaterialSTEEL
Outside Diameter0.312 INCHES NOMINAL IN
Thickness0.025 INCHES NOMINAL IN
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Cut ShapeU-SLOT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-143-753839590 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
2530-00-194-440726155 INTERCHANGEABLE
Breather Cover
Emcor Enclosures Llc
5342-00-200-42076300-2 INTERCHANGEABLE
Mount,resilient,weapon System
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
4940-00-204-0319 INTERCHANGEABLE
Undercutter,armature Mica,electr
5935-00-257-9957 INTERCHANGEABLE
Connector,receptacle,electrical
4940-00-270-159410T INTERCHANGEABLE
Undercutter,armature Mica,electr
Rjk Corp
4940-00-273-370426-153 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
4940-00-278-980826-055 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
4940-00-287-321726-501 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
4940-00-287-321826-503 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
MILU17148 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
26-155 PRIMARY Ideal Industries, Inc. (USA)
Related Parts
3110-00-143-7538INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
39590
2530-00-194-4407INTERCHANGEABLE
BREATHER COVER
26155
5342-00-200-4207INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
6300-2
4940-00-204-0319INTERCHANGEABLE
UNDERCUTTER,ARMATURE MICA,ELECTR
5935-00-257-9957INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
4940-00-270-1594INTERCHANGEABLE
UNDERCUTTER,ARMATURE MICA,ELECTR
10T
4940-00-273-3704INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-153
4940-00-278-9808INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-055
4940-00-287-3217INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-501
4940-00-287-3218INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-503
4940-00-287-3219INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-502
4940-00-287-3221INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-504

Frequently Asked Questions

What is NSN 4940-00-273-3705?

NSN 4940-00-273-3705 is a Cutter,milling,commutator Mica, manufactured by Ideal Industries, Inc., classified under FSC 4940 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4940-00-273-3705?

NSN 4940-00-273-3705 has 2 cross-referenced part numbers: MILU17148 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 26-155 (Ideal Industries, Inc.).

What NSN replaces 4940-00-273-3705?

There are 12 known substitutes for 4940-00-273-3705: 3110-00-143-7538, 2530-00-194-4407, 5342-00-200-4207 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26-155?

Key specifications for 26-155: Material: STEEL; Outside Diameter: 0.312 INCHES NOMINAL IN; Thickness: 0.025 INCHES NOMINAL IN; Mounting Hole Diameter: 0.125 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4940-00-273-3705 still in active supply?

NSN 4940-00-273-3705 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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