PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6401Contact,electrical

Micro Lambda Llc · NSN 5999-01-408-6212 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-408-6212 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-408-6212. Primary manufacturer part number: 6401.
Features
  • Contact,electrical — FSC 5999
  • Terminal Type and Quantity: 1 PIN AXIALLY AT EACH END
  • Terminal Type and Quantity: 1 PIN AXIALLY AT EACH END
  • 3 verified cross-references
  • Primary manufacturer: Micro Lambda Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Contact,electrical, cataloged under National Stock Number 5999-01-408-6212, 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 Micro Lambda Llc. Government technical data includes 2 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5999-01-408-6212
Primary Part Number6401
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerMicro Lambda Llc
StatusACTIVE
Terminal Type and Quantity1 PIN AXIALLY AT EACH END
Terminal Type and Quantity1 PIN AXIALLY AT EACH END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
Analyzer,frequency Deviation
Counter,electronic,digital Reado
5940-00-110-1753 INTERCHANGEABLE
Terminal,lug
7510-00-149-0732SMA597833-3 INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5945-00-238-5197 INTERCHANGEABLE
Relay,solid State
5915-00-496-20092920137-1 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-553-72286401 INTERCHANGEABLE
Transformer,power Autotransforme
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
6695-00-847-83186401 INTERCHANGEABLE
Calibration Set,primary Referenc
Druck, Llc Dba Druck, Llc
4820-00-954-85316401 INTERCHANGEABLE
Valve,linear,directional Control
Tactair Fluid Controls Inc
4240-00-994-66536401-00 INTERCHANGEABLE
Case,storage and Transport,breat
Avox Systems Inc Dba Avox Systems Inc
Cross-Reference Index
Part NumberManufacturer
91652870 Thales Las France SAS (FRA)
6401 Smiths Interconnect Americas, Inc. (USA)
6401 PRIMARY Micro Lambda Llc (USA)
Related Parts
6625-00-025-4841SUCCESSOR
ANALYZER,FREQUENCY DEVIATION
6625-01-097-7435SUCCESSOR
COUNTER,ELECTRONIC,DIGITAL READO
5940-00-110-1753INTERCHANGEABLE
TERMINAL,LUG
7510-00-149-0732INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
SMA597833-3
5945-00-238-5197INTERCHANGEABLE
RELAY,SOLID STATE
5915-00-496-2009INTERCHANGEABLE
FILTER,BAND PASS
2920137-1
5950-00-553-7228INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
6401
6695-00-847-8318INTERCHANGEABLE
CALIBRATION SET,PRIMARY REFERENC
6401
4820-00-954-8531INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
6401
4240-00-994-6653INTERCHANGEABLE
CASE,STORAGE AND TRANSPORT,BREAT
6401-00
5305-01-061-8346INTERCHANGEABLE
SETSCREW
6401
5307-01-127-1417INTERCHANGEABLE
STUD,PLAIN
6401

Frequently Asked Questions

What is NSN 5999-01-408-6212?

NSN 5999-01-408-6212 is a Contact,electrical, manufactured by Micro Lambda Llc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-408-6212?

NSN 5999-01-408-6212 has 3 cross-referenced part numbers: 91652870 (Thales Las France SAS), 6401 (Smiths Interconnect Americas, Inc.), 6401 (Micro Lambda Llc).

What NSN replaces 5999-01-408-6212?

There are 12 known substitutes for 5999-01-408-6212: 6625-00-025-4841, 6625-01-097-7435, 5940-00-110-1753 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6401?

Key specifications for 6401: Terminal Type and Quantity: 1 PIN AXIALLY AT EACH END; Terminal Type and Quantity: 1 PIN AXIALLY AT EACH END. 2 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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