PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X918Switch Assembly,bottom

Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co · NSN 1680-00-778-0640 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-778-0640 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-778-0640. Primary manufacturer part number: X918.
Features
  • Switch Assembly,bottom — FSC 1680
  • General Characteristics Item Description: C/OSWITCH PUSH BUTTON,WIRE,2 INSULATION SLEEVEING
  • 1 verified cross-reference
  • Primary manufacturer: Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch Assembly,bottom, cataloged under National Stock Number 1680-00-778-0640, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co. Government technical data includes 1 verified specification, 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: Active.

Technical Specifications
ParameterValue
NSN1680-00-778-0640
Primary Part NumberX918
Item NameSwitch Assembly,bottom
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerGuardian Electric Manufacturing Co Div Guardian Electric Mfg Co
StatusACTIVE
General Characteristics Item DescriptionC/OSWITCH PUSH BUTTON,WIRE,2 INSULATION SLEEVEING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-151-9153 INTERCHANGEABLE
Ball,bearing
Cross-Reference Index
Part NumberManufacturer
X918 PRIMARY Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA)
Related Parts
3110-00-151-9153INTERCHANGEABLE
BALL,BEARING

Frequently Asked Questions

What is NSN 1680-00-778-0640?

NSN 1680-00-778-0640 is a Switch Assembly,bottom, manufactured by Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-778-0640?

NSN 1680-00-778-0640 has 1 cross-referenced part number: X918 (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co).

What NSN replaces 1680-00-778-0640?

There is 1 known substitute for 1680-00-778-0640: 3110-00-151-9153. Verify interchangeability with system specifications before substitution.

What are the specifications of X918?

Key specifications for X918: General Characteristics Item Description: C/OSWITCH PUSH BUTTON,WIRE,2 INSULATION SLEEVEING; End Item Identification: ACFT EH-1N,UH-1B,D,M,C,E,L,H,TH-1L. 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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