PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

294-278Insertion,contact T

Essex Group Inc Telecommunication Products Div · NSN 5120-00-133-1810 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-133-1810 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-133-1810. Primary manufacturer part number: 294-278.
Features
  • Insertion,contact T — FSC 5120
  • 1 verified cross-reference
  • Primary manufacturer: Essex Group Inc Telecommunication Products Div
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Insertion,contact T, cataloged under National Stock Number 5120-00-133-1810, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Essex Group Inc Telecommunication Products Div. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameInsertion,contact T
FSC / FSG5120 — No Item Name Available (FSG 51)
ManufacturersEssex Group Inc Telecommunication Products Div (CAGE 07497)
Technical Specifications
ParameterValue
NSN5120-00-133-1810
Primary Part Number294-278
Item NameInsertion,contact T
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerEssex Group Inc Telecommunication Products Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-00-177-7028 INTERCHANGEABLE
Inserter,electrical Contact
Cross-Reference Index
Part NumberManufacturer
294-278 Essex Group Inc Telecommunication Products Div (USA)
Related Parts
5120-00-177-7028INTERCHANGEABLE
INSERTER,ELECTRICAL CONTACT

Frequently Asked Questions

What is NSN 5120-00-133-1810?

NSN 5120-00-133-1810 is a Insertion,contact T, manufactured by Essex Group Inc Telecommunication Products Div, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-133-1810?

NSN 5120-00-133-1810 has 1 cross-referenced part number: 294-278 (Essex Group Inc Telecommunication Products Div).

What NSN replaces 5120-00-133-1810?

There is 1 known substitute for 5120-00-133-1810: 5120-00-177-7028. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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