PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS3057Contact,electrical

Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp · NSN 5999-00-539-0272 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-539-0272 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-539-0272. Primary manufacturer part number: MS3057.
Features
  • Contact,electrical — FSC 5999
  • Unthreaded Mounting Hole Diameter: 0.116 INCHES NOMINAL IN
  • Mounting Facility Quantity: 2
  • Terminal Type and Quantity: 2 EYELET END OPPOSITE CONTACT
  • Distance Between Mounting Facility Centers: 0.625 INCHES NOMINAL IN
  • Mounting Method: UNTHREADED HOLE(S)
  • Material: COPPER BODY
  • Voltage Rating in Volts: 125.0 AC
Applications
  • Applications requiring Copper Body construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-539-0272, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-539-0272
Primary Part NumberMS3057
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
StatusACTIVE
Unthreaded Mounting Hole Diameter0.116 INCHES NOMINAL IN
Mounting Facility Quantity2
Terminal Type and Quantity2 EYELET END OPPOSITE CONTACT
Distance Between Mounting Facility Centers0.625 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S)
MaterialCOPPER BODY
Voltage Rating in Volts125.0 AC
Current Rating in Amps3.0
Style DesignatorIRREGULAR SHAPE
MaterialCOPPER CONTACT
Material Document and ClassificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Unthreaded Mounting Hole Diameter0.116 INCHES NOMINAL IN
Mounting Facility Quantity2
Terminal Type and Quantity2 EYELET END OPPOSITE CONTACT
Distance Between Mounting Facility Centers0.625 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S)
MaterialCOPPER BODY
Voltage Rating in Volts125.0 AC
Current Rating in Amps3.0
Style DesignatorIRREGULAR SHAPE
MaterialCOPPER CONTACT
Material Document and ClassificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0200 lbs
Cube0.0122 cu ft
Verified Substitutes 1
5935-01-168-0800M85049/41-8A INTERCHANGEABLE
Clamp,cable,electrical Connector
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS3057 PRIMARY Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
DM-2443 Cobra Industries Inc (USA)
DM-2443 Triangle Tool Co (USA)
Related Parts
5935-01-168-0800INTERCHANGEABLE
CLAMP,CABLE,ELECTRICAL CONNECTOR
M85049/41-8A

Frequently Asked Questions

What is NSN 5999-00-539-0272?

NSN 5999-00-539-0272 is a Contact,electrical, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-539-0272?

NSN 5999-00-539-0272 has 3 cross-referenced part numbers: MS3057 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), DM-2443 (Cobra Industries Inc), DM-2443 (Triangle Tool Co).

What NSN replaces 5999-00-539-0272?

There is 1 known substitute for 5999-00-539-0272: 5935-01-168-0800. Verify interchangeability with system specifications before substitution.

What are the specifications of MS3057?

Key specifications for MS3057: Unthreaded Mounting Hole Diameter: 0.116 INCHES NOMINAL IN; Overall Width: 1.438 INCHES NOMINAL IN; Overall Length: 2.094 INCHES NOMINAL IN; Mounting Facility Quantity: 2. 28 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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