PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS3057-40AClamp,cable,electrical Connector

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5935-00-280-2351 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-280-2351 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-280-2351. Primary manufacturer part number: MS3057-40A.
Features
  • Clamp,cable,electrical Connector — FSC 5935
  • Mounting Facility Type and Quantity: 1 THREADED COUPLING
  • Seal Type: BUSHING
  • Body Height: 3.500 INCHES NOMINAL IN
  • Cable Opening Quantity: 1
  • Body Length: 1.750 INCHES NOMINAL IN
  • Size Designation: 48
  • Cable Opening Diameter: 2.375 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 5935-00-280-2351, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-280-2351
Primary Part NumberMS3057-40A
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
StatusCANCELLED
Mounting Facility Type and Quantity1 THREADED COUPLING
Seal TypeBUSHING
Body Height3.500 INCHES NOMINAL IN
Cable Opening Quantity1
Body Length1.750 INCHES NOMINAL IN
Size Designation48
Cable Opening Diameter2.375 INCHES MAXIMUM IN
Body Diameter3.281 INCHES NOMINAL IN
Thread Quantity Per Inch16
Nominal Thread Size3.000 INCHES IN
Specification/standard Data96906-MS3057 GOVERNMENT STANDARD
MaterialRUBBER SEAL
MaterialALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED
Style DesignatorDOUBLE CLAMPING ACTION W OR W/O BUSHING
Test Data Document81349-MIL-C-5015 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.).
Surface TreatmentCADMIUM
Thread Series DesignatorUN
Thread DirectionRIGHT-HAND
Thread Class2B
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5935-01-172-6477M85049/41-40A INTERCHANGEABLE
Clamp,cable,electrical Connector
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS3057-40A Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-5015 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-5015 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AN3057-40A Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
5935-01-172-6477INTERCHANGEABLE
CLAMP,CABLE,ELECTRICAL CONNECTOR
M85049/41-40A

Frequently Asked Questions

What is NSN 5935-00-280-2351?

NSN 5935-00-280-2351 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: cancelled.

What are the part numbers for NSN 5935-00-280-2351?

NSN 5935-00-280-2351 has 4 cross-referenced part numbers: MS3057-40A (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-5015 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-5015 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AN3057-40A (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5935-00-280-2351?

There is 1 known substitute for 5935-00-280-2351: 5935-01-172-6477. Verify interchangeability with system specifications before substitution.

What are the specifications of MS3057-40A?

Key specifications for MS3057-40A: Mounting Facility Type and Quantity: 1 THREADED COUPLING; Seal Type: BUSHING; Body Height: 3.500 INCHES NOMINAL IN; Cable Opening Quantity: 1. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-280-2351 still in active supply?

NSN 5935-00-280-2351 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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