PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CW159UCover,electrical Connector

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5935-00-858-4228 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-858-4228 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-858-4228. Primary manufacturer part number: CW159U.
Features
  • Cover,electrical Connector — FSC 5935
  • Test Data Document: 81349-MIL-C-39012 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Overall Diameter: 0.593 INCHES MAXIMUM IN
  • Specification/standard Data: 81349-MIL-C-39012/25 GOVERNMENT SPECIFICATION
  • 6 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Cover,electrical Connector, cataloged under National Stock Number 5935-00-858-4228, is classified within Federal Supply Class 5935 (No Item Name Available) of the Electrical and Electronic Equipment Components 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-858-4228
Primary Part NumberCW159U
Item NameCover,electrical Connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Test Data Document81349-MIL-C-39012 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Overall Diameter0.593 INCHES MAXIMUM IN
Specification/standard Data81349-MIL-C-39012/25 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5935-00-295-48405100 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corporation Div Amphenol Rf
5342-00-864-578931-17 INTERCHANGEABLE
Cap,special
Amphenol Corp Div Amphenol Aerospace Operations
Cross-Reference Index
Part NumberManufacturer
CW159U Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39012/25-0016 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-39012/25 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-39012/25 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JRDS-00001 Giga-Tronics Incorporated Dba Giga-Tronics (USA)
MS39012/25-0016 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-00-295-4840INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5100
5342-00-864-5789INTERCHANGEABLE
CAP,SPECIAL
31-17

Frequently Asked Questions

What is NSN 5935-00-858-4228?

NSN 5935-00-858-4228 is a Cover,electrical Connector, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-858-4228?

NSN 5935-00-858-4228 has 6 cross-referenced part numbers: CW159U (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39012/25-0016 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-39012/25 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-39012/25 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JRDS-00001 (Giga-Tronics Incorporated Dba Giga-Tronics) and 1 more.

What NSN replaces 5935-00-858-4228?

There are 2 known substitutes for 5935-00-858-4228: 5935-00-295-4840, 5342-00-864-5789. Verify interchangeability with system specifications before substitution.

What are the specifications of CW159U?

Key specifications for CW159U: Test Data Document: 81349-MIL-C-39012 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Overall Diameter: 0.593 INCHES MAXIMUM IN; Overall Length: 0.696 INCHES NOMINAL IN; Specification/standard Data: 81349-MIL-C-39012/25 GOVERNMENT SPECIFICATION. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-858-4228 still in active supply?

NSN 5935-00-858-4228 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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