PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

621-207Contact,electrical

Eaton Corp Opns & Technical Center · NSN 5999-00-416-5676 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-416-5676 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-416-5676. Primary manufacturer part number: 621-207.
Features
  • Contact,electrical — FSC 5999
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Mounting Facility Quantity: 1
  • Precious Material and Weight: 0.100 SILVER GRAINS, TROY
  • Material: SILVER CONTACT
  • Precious Material: SILVER
  • Nominal Thread Size: 0.250 INCHES IN
  • Mounting Method: THREADED STUD(S)
Applications
  • Applications requiring Silver Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-416-5676, 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 Eaton Corp Opns & Technical Center. Government technical data includes 14 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-416-5676
Primary Part Number621-207
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerEaton Corp Opns & Technical Center
StatusCANCELLED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Mounting Facility Quantity1
Precious Material and Weight0.100 SILVER GRAINS, TROY
MaterialSILVER CONTACT
Precious MaterialSILVER
Nominal Thread Size0.250 INCHES IN
Mounting MethodTHREADED STUD(S)
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Mounting Facility Quantity1
Precious Material and Weight0.100 SILVER GRAINS, TROY
MaterialSILVER CONTACT
Precious MaterialSILVER
Nominal Thread Size0.250 INCHES IN
Mounting MethodTHREADED STUD(S)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight1.0000 lbs
Cube0.0022 cu ft
Verified Substitutes 1
5905-00-141-0595 INTERCHANGEABLE
Resistor,fixed,composition
Cross-Reference Index
Part NumberManufacturer
621-207 PRIMARY Eaton Corp Opns & Technical Center (USA)
Related Parts
5905-00-141-0595INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION

Frequently Asked Questions

What is NSN 5999-00-416-5676?

NSN 5999-00-416-5676 is a Contact,electrical, manufactured by Eaton Corp Opns & Technical Center, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-416-5676?

NSN 5999-00-416-5676 has 1 cross-referenced part number: 621-207 (Eaton Corp Opns & Technical Center).

What NSN replaces 5999-00-416-5676?

There is 1 known substitute for 5999-00-416-5676: 5905-00-141-0595. Verify interchangeability with system specifications before substitution.

What are the specifications of 621-207?

Key specifications for 621-207: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Mounting Facility Quantity: 1; Precious Material and Weight: 0.100 SILVER GRAINS, TROY; Material: SILVER CONTACT. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-416-5676 still in active supply?

NSN 5999-00-416-5676 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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