PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

700121Contact,electrical

Te Connectivity Corporation · NSN 5999-00-502-5978 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-502-5978 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-502-5978. Primary manufacturer part number: 700121.
Features
  • Contact,electrical — FSC 5999
  • Terminal Type and Quantity: 1 CRIMP AXIALLY AT ONE END
  • Terminal Type and Quantity: 1 CRIMP AXIALLY AT ONE END
  • 1 verified cross-reference
  • Primary manufacturer: Te Connectivity Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-502-5978, 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 Te Connectivity Corporation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-502-5978
Primary Part Number700121
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 4
5905-00-114-0711 INTERCHANGEABLE
Resistor,fixed,composition
2540-00-177-9130 INTERCHANGEABLE
Guard,heater,person
5360-01-296-0258700-121 INTERCHANGEABLE
Spring,helical,compression
W a Whitney Co Dba Whitney
5342-01-543-989170-0121 INTERCHANGEABLE
Mount,resilient,weapon System
Point Blank Enterprises, Inc. Dba the Protective Group Div the Protective Group, a Point Blank Company
Cross-Reference Index
Part NumberManufacturer
700121 PRIMARY Te Connectivity Corporation (USA)
Related Parts
5905-00-114-0711INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
2540-00-177-9130INTERCHANGEABLE
GUARD,HEATER,PERSON
5360-01-296-0258INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
700-121
5342-01-543-9891INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
70-0121

Frequently Asked Questions

What is NSN 5999-00-502-5978?

NSN 5999-00-502-5978 is a Contact,electrical, manufactured by Te Connectivity Corporation, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-502-5978?

NSN 5999-00-502-5978 has 1 cross-referenced part number: 700121 (Te Connectivity Corporation).

What NSN replaces 5999-00-502-5978?

There are 4 known substitutes for 5999-00-502-5978: 5905-00-114-0711, 2540-00-177-9130, 5360-01-296-0258 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 700121?

Key specifications for 700121: Terminal Type and Quantity: 1 CRIMP AXIALLY AT ONE END; Terminal Type and Quantity: 1 CRIMP AXIALLY AT ONE 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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