PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4119-1Terminal,feedthru

Lerco Div Space-Lok Inc · NSN 5940-00-177-2685 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-177-2685 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-177-2685. Primary manufacturer part number: 4119-1.
Features
  • Terminal,feedthru — FSC 5940
  • Identification Code Color: WHITE
  • Material: COPPER ALLOY CONDUCTOR ACCOMMODATION
  • Electrical Insulation Feature: INSULATING MOUNTING BUSHING
  • Surface Treatment: SILVER CONDUCTOR ACCOMMODATION FIRST LAYER
  • Material Document and Classification: MIL-M-14077,CANC MIL SPEC SINGLE MATERIAL RESPONSE INSULATION
  • Turret Minor Diameter: 0.047 INCHES ALL ENDS IN
  • Conductor Accommodation Type: SINGLE TURRET FIRST END
Applications
  • Applications requiring Copper Alloy Conductor Accommodation construction
General Description

The Terminal,feedthru, cataloged under National Stock Number 5940-00-177-2685, is classified within Federal Supply Class 5940 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lerco Div Space-Lok Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5940-00-177-2685
Primary Part Number4119-1
Item NameTerminal,feedthru
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerLerco Div Space-Lok Inc
StatusACTIVE
Identification Code ColorWHITE
MaterialCOPPER ALLOY CONDUCTOR ACCOMMODATION
Electrical Insulation FeatureINSULATING MOUNTING BUSHING
Surface TreatmentSILVER CONDUCTOR ACCOMMODATION FIRST LAYER
Material Document and ClassificationMIL-M-14077,CANC MIL SPEC SINGLE MATERIAL RESPONSE INSULATION
Turret Minor Diameter0.047 INCHES ALL ENDS IN
Conductor Accommodation TypeSINGLE TURRET FIRST END
First End Terminal Length0.124 INCHES IN
Major Bushing Length0.100 INCHES IN
Conductor Accommodation TypeDOUBLE TURRET SECOND END
Material Document and ClassificationMIL-M-14077,CANC MIL SPEC SINGLE MATERIAL RESPONSE MOUNTING FACILITY
Basic Shape StyleNONTUBULAR ROUND
Overall Diameter0.213 INCHES0.213 INCHES IN
Surface TreatmentGOLD CONDUCTOR ACCOMMODATION SECOND LAYER
Minor Bushing Length0.220 INCHES IN
Second End Terminal Length0.196 INCHES IN
Minor Bushing Diameter0.203 INCHES IN
Largest Diameter0.067 INCHES ALL ENDS IN
Major Bushing Diameter0.213 INCHES IN
Mounting Method StylePRESS FIT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5133-00-228-1376 INTERCHANGEABLE
Drill,twist
4310-00-730-6040 INTERCHANGEABLE
Blade,pump Rotor
5950-00-892-8261 INTERCHANGEABLE
Reactor
5985-01-080-7338804601-4 INTERCHANGEABLE
Dummy Load,electrical
Raytheon Company Dba Raytheon
4720-01-183-8916SA25N INTERCHANGEABLE
Spider Assembly
Anco International, Inc
Cross-Reference Index
Part NumberManufacturer
4119-1 PRIMARY Lerco Div Space-Lok Inc (USA)
3179357-3 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1175-711-0319 PRIMARY Concord Electronics, Inc. (USA)
4471A PRIMARY Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
4471A PRIMARY Rogerson Kratos (USA)
T540-014-403 PRIMARY Lockheed Martin Librascope Corporation (USA)
Related Parts
5133-00-228-1376INTERCHANGEABLE
DRILL,TWIST
4310-00-730-6040INTERCHANGEABLE
BLADE,PUMP ROTOR
5950-00-892-8261INTERCHANGEABLE
REACTOR
5985-01-080-7338INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
804601-4
4720-01-183-8916INTERCHANGEABLE
SPIDER ASSEMBLY
SA25N

Frequently Asked Questions

What is NSN 5940-00-177-2685?

NSN 5940-00-177-2685 is a Terminal,feedthru, manufactured by Lerco Div Space-Lok Inc, classified under FSC 5940 (No Item Name Available). Status: active.

What are the part numbers for NSN 5940-00-177-2685?

NSN 5940-00-177-2685 has 6 cross-referenced part numbers: 4119-1 (Lerco Div Space-Lok Inc), 3179357-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1175-711-0319 (Concord Electronics, Inc.), 4471A (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect), 4471A (Rogerson Kratos) and 1 more.

What NSN replaces 5940-00-177-2685?

There are 5 known substitutes for 5940-00-177-2685: 5133-00-228-1376, 4310-00-730-6040, 5950-00-892-8261 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4119-1?

Key specifications for 4119-1: Identification Code Color: WHITE; Material: COPPER ALLOY CONDUCTOR ACCOMMODATION; Overall Height: 0.548 INCHES0.548 INCHES IN; Electrical Insulation Feature: INSULATING MOUNTING BUSHING. 21 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com