PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS3057-12CClamp,cable,electrical Connector

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5935-00-500-9957 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-500-9957 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-500-9957. Primary manufacturer part number: MS3057-12C.
Features
  • Clamp,cable,electrical Connector — FSC 5935
  • Thread Direction: RIGHT-HAND
  • Size Designation: 20 AND 22
  • Thread Quantity Per Inch: 18
  • Cable Opening Diameter: 0.771 INCHES MINIMUM IN
  • Seal Type: PREFORMED PACKING
  • Mounting Facility Type and Quantity: 1 THREADED COUPLING
  • Body Height: 1.562 INCHES MAXIMUM IN
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Electrical interconnection
  • Signal interface mating
General Description

The Clamp,cable,electrical Connector, cataloged under National Stock Number 5935-00-500-9957, 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 Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 18 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-500-9957
Primary Part NumberMS3057-12C
Item NameClamp,cable,electrical Connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Thread DirectionRIGHT-HAND
Size Designation20 AND 22
Thread Quantity Per Inch18
Cable Opening Diameter0.771 INCHES MINIMUM IN
Seal TypePREFORMED PACKING
Mounting Facility Type and Quantity1 THREADED COUPLING
Body Height1.562 INCHES MAXIMUM IN
Body Length1.437 INCHES MAXIMUM IN
Nominal Thread Size1.188 INCHES IN
Cable Opening Quantity1
Surface TreatmentCADMIUM
MaterialALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED
MaterialRUBBER SEAL
Style DesignatorDOUBLE CLAMPING ACTION W OR W/O BUSHING
Specification/standard Data81349-MILC5015 GOVERNMENT SPECIFICATION
Test Data Document81349-MILC005015 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.).
Thread Series DesignatorUNEF
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5935-01-189-3221M85049/2-12C INTERCHANGEABLE
Clamp,cable,electrical Connector
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS3057-12C Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MILC005015 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-01-189-3221INTERCHANGEABLE
CLAMP,CABLE,ELECTRICAL CONNECTOR
M85049/2-12C

Frequently Asked Questions

What is NSN 5935-00-500-9957?

NSN 5935-00-500-9957 is a Clamp,cable,electrical Connector, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-500-9957?

NSN 5935-00-500-9957 has 2 cross-referenced part numbers: MS3057-12C (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MILC005015 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5935-00-500-9957?

There is 1 known substitute for 5935-00-500-9957: 5935-01-189-3221. Verify interchangeability with system specifications before substitution.

What are the specifications of MS3057-12C?

Key specifications for MS3057-12C: Thread Direction: RIGHT-HAND; Size Designation: 20 AND 22; Thread Quantity Per Inch: 18; Cable Opening Diameter: 0.771 INCHES MINIMUM IN. 18 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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