PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILU17148Undercutter,armature Mica,electr

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4940-00-204-0319 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-204-0319 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-204-0319. Primary manufacturer part number: MILU17148.
Features
  • Undercutter,armature Mica,electr — FSC 4940
  • Departure From Cited Designator: BWBH
  • Accessory Components and Quantity: BRUSH SET,MOTOR,2; CUTTERS,SAW TYPE,0.312 IN. DIA 0.015 IN.,6; CUTTERS,SAW TYPE,0.312 IN. DIA 0.020 IN. THK,6; CUTTERS,SAW TYPE,0.312 IN. DIA 0.025 IN. THK,6 IN
  • Mounting Type: BENCH
  • Nondefinitive Spec/std Data: 3 TYPE
  • Maximum Armature Diameter Accommodated: 7.000 INCHES IN
  • Drive Type: DIRECT
  • Phase: SINGLE
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Undercutter,armature Mica,electr, cataloged under National Stock Number 4940-00-204-0319, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4940-00-204-0319
Primary Part NumberMILU17148
Item NameUndercutter,armature Mica,electr
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Departure From Cited DesignatorBWBH
Accessory Components and QuantityBRUSH SET,MOTOR,2; CUTTERS,SAW TYPE,0.312 IN. DIA 0.015 IN.,6; CUTTERS,SAW TYPE,0.312 IN. DIA 0.020 IN. THK,6; CUTTERS,SAW TYPE,0.312 IN. DIA 0.025 IN. THK,6 IN
Mounting TypeBENCH
Nondefinitive Spec/std Data3 TYPE
Maximum Armature Diameter Accommodated7.000 INCHES IN
Drive TypeDIRECT
PhaseSINGLE
Maximum Commutator Diameter Accommodated6.000 INCHES IN
Current TypeAC/DC
Frequency in Hertz25.0 AND 70.0
Armature Maximum Length Accommodated18.000 INCHES IN
Cutting Stroke Maximum Length4.500 INCHES IN
Spindle Diameter0.125 INCHES NOMINAL IN
Voltage in Volts115.0
Adjustable Spindle Multicutter AccommodationINCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4940-00-270-159410T INTERCHANGEABLE
Undercutter,armature Mica,electr
Rjk Corp
4940-00-273-370426-153 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
4940-00-273-370526-155 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.
4940-00-287-321926-502 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
4940-00-287-322126-504 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
4940-00-287-322226-507 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
4940-00-287-322326-506 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
Related Parts
4940-00-270-1594INTERCHANGEABLE
UNDERCUTTER,ARMATURE MICA,ELECTR
10T
4940-00-273-3704INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-153
4940-00-273-3705INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-155
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
4940-00-287-3222INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-507
4940-00-287-3223INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-506
4940-00-287-3224INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-509
4940-00-287-3225INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-508

Frequently Asked Questions

What is NSN 4940-00-204-0319?

NSN 4940-00-204-0319 is a Undercutter,armature Mica,electr, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-00-204-0319?

NSN 4940-00-204-0319 has 1 cross-referenced part number: MILU17148 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4940-00-204-0319?

There are 12 known substitutes for 4940-00-204-0319: 4940-00-270-1594, 4940-00-273-3704, 4940-00-273-3705 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILU17148?

Key specifications for MILU17148: Departure From Cited Designator: BWBH; Accessory Components and Quantity: BRUSH SET,MOTOR,2; CUTTERS,SAW TYPE,0.312 IN. DIA 0.015 IN.,6; CUTTERS,SAW TYPE,0.312 IN. DIA 0.020 IN. THK,6; CUTTERS,SAW TYPE,0.312 IN. DIA 0.025 IN. THK,6 IN; Mounting Type: BENCH; Nondefinitive Spec/std Data: 3 TYPE. 15 total characteristics are documented in the Federal Logistics Information System.

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