PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

266Entrance Cap,electrical

M&w Electric Manufacturing Co. Llc · NSN 5975-00-079-4167 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-079-4167 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-079-4167. Primary manufacturer part number: 266.
Features
  • Entrance Cap,electrical — FSC 5975
  • Mounting Method: FRICTION
  • Accommodation Hole Inside Diameter: 2.500 INCHES NOMINAL IN
  • Material: PLASTIC PHENOLIC INSULATOR
  • Conductor Accommodation Quantity: 6
  • Cable/conduit Type Accommodated: STANDARD THICKWALL CONDUIT
  • Style Designator: RIGID CONDUIT
  • Surface Treatment: ZINC BODY
Applications
  • Applications requiring Plastic Phenolic Insulator construction
General Description

The Entrance Cap,electrical, cataloged under National Stock Number 5975-00-079-4167, is classified within Federal Supply Class 5975 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is M&w Electric Manufacturing Co. Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-00-079-4167
Primary Part Number266
Item NameEntrance Cap,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerM&w Electric Manufacturing Co. Llc
StatusCANCELLED
Mounting MethodFRICTION
Accommodation Hole Inside Diameter2.500 INCHES NOMINAL IN
MaterialPLASTIC PHENOLIC INSULATOR
Conductor Accommodation Quantity6
Cable/conduit Type AccommodatedSTANDARD THICKWALL CONDUIT
Style DesignatorRIGID CONDUIT
Surface TreatmentZINC BODY
Conduit Trade Size Accommodated2.500
Supplementary FeaturesEND ITEM C-135 STRATOLIFTER AIRCRAFT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5935-00-164-0211 INTERCHANGEABLE
Connector,plug,electrical
5340-00-190-6800 INTERCHANGEABLE
Strap,retaining
1650-00-448-0381172500 INTERCHANGEABLE
Accumulator,hydraulic
Parker Hannifin Corporation Div Hydraulic Systems Division
5950-00-905-171017-250 INTERCHANGEABLE
Reactor
L3harris Maritime Power & Energy Solutions, Inc
6150-01-004-877317250 INTERCHANGEABLE
Cable Assembly,power,electrical
Volex, Inc. Dba Volex Power Cord Products Div Volex Inc.
4820-01-107-4010C02CD09PS16E PIECE 10 INTERCHANGEABLE
Guide,valve Stem
Eaton Corporation Dba Eaton Inoac Div Eaton
5330-01-109-904117250 INTERCHANGEABLE
Packing
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
6150-01-206-965117250 INTERCHANGEABLE
Power Cord
Henley Marine, Inc
4320-01-305-235617250 INTERCHANGEABLE
Piston,pump
Coffin Turbo Pump Inc
6810-01-532-2440P02186 INTERCHANGEABLE
Talc,kerolite
General Atomics Aeronautical Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
1531 Abb Installation Products Inc (USA)
266 PRIMARY M&w Electric Manufacturing Co. Llc (USA)
17-250 Egs Electric Co Llc (USA)
17-250 General Signal Corp O Z/gedney Co Unit (USA)
Related Parts
5935-00-164-0211INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5340-00-190-6800INTERCHANGEABLE
STRAP,RETAINING
1650-00-448-0381INTERCHANGEABLE
ACCUMULATOR,HYDRAULIC
172500
5950-00-905-1710INTERCHANGEABLE
REACTOR
17-250
6150-01-004-8773INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
17250
4820-01-107-4010INTERCHANGEABLE
GUIDE,VALVE STEM
C02CD09PS16E PIECE 10
5330-01-109-9041INTERCHANGEABLE
PACKING
17250
6150-01-206-9651INTERCHANGEABLE
POWER CORD
17250
4320-01-305-2356INTERCHANGEABLE
PISTON,PUMP
17250
6810-01-532-2440INTERCHANGEABLE
TALC,KEROLITE
P02186

Frequently Asked Questions

What is NSN 5975-00-079-4167?

NSN 5975-00-079-4167 is a Entrance Cap,electrical, manufactured by M&w Electric Manufacturing Co. Llc, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-079-4167?

NSN 5975-00-079-4167 has 4 cross-referenced part numbers: 1531 (Abb Installation Products Inc), 266 (M&w Electric Manufacturing Co. Llc), 17-250 (Egs Electric Co Llc), 17-250 (General Signal Corp O Z/gedney Co Unit).

What NSN replaces 5975-00-079-4167?

There are 10 known substitutes for 5975-00-079-4167: 5935-00-164-0211, 5340-00-190-6800, 1650-00-448-0381 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 266?

Key specifications for 266: Mounting Method: FRICTION; Accommodation Hole Inside Diameter: 2.500 INCHES NOMINAL IN; Material: PLASTIC PHENOLIC INSULATOR; Conductor Accommodation Quantity: 6. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-079-4167 still in active supply?

NSN 5975-00-079-4167 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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