PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

577A1Switch,mercury

Cardwell Condenser Corp Lapointe-Admiral Div · NSN 5930-00-327-8388 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-327-8388 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-327-8388. Primary manufacturer part number: 577A1.
Features
  • Switch,mercury — FSC 5930
  • Body Diameter: 0.375 INCHES NOMINAL IN
  • Maximum Voltage Rating in Volts: 115.0 AC AND 115.0 DC
  • Contact Load Current Rating at Maximum Rated Voltage: 1.000 AMPERES RESISTIVE DC AND 1.000 AMPERES RESISTIVE AC
  • Body Length: 1.312 INCHES NOMINAL IN
  • 5 verified cross-references
  • Primary manufacturer: Cardwell Condenser Corp Lapointe-Admiral Div
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,mercury, cataloged under National Stock Number 5930-00-327-8388, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cardwell Condenser Corp Lapointe-Admiral Div. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-327-8388
Primary Part Number577A1
Item NameSwitch,mercury
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerCardwell Condenser Corp Lapointe-Admiral Div
StatusCANCELLED
Body Diameter0.375 INCHES NOMINAL IN
Maximum Voltage Rating in Volts115.0 AC AND 115.0 DC
Contact Load Current Rating at Maximum Rated Voltage1.000 AMPERES RESISTIVE DC AND 1.000 AMPERES RESISTIVE AC
Body Length1.312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
2825-01-196-3940577A1 INTERCHANGEABLE
Casing,labyrinth
Steward Machine Co Inc
Cross-Reference Index
Part NumberManufacturer
9X65 Mercoid Corp the (USA)
577A1 PRIMARY Cardwell Condenser Corp Lapointe-Admiral Div (USA)
9-65SC Mercoid Corp the (USA)
9-6507SC Mercoid Corp the (USA)
SW49 Navcom Defense Electronics, Inc. (USA)
Related Parts
2825-01-196-3940INTERCHANGEABLE
CASING,LABYRINTH
577A1

Frequently Asked Questions

What is NSN 5930-00-327-8388?

NSN 5930-00-327-8388 is a Switch,mercury, manufactured by Cardwell Condenser Corp Lapointe-Admiral Div, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-327-8388?

NSN 5930-00-327-8388 has 5 cross-referenced part numbers: 9X65 (Mercoid Corp the), 577A1 (Cardwell Condenser Corp Lapointe-Admiral Div), 9-65SC (Mercoid Corp the), 9-6507SC (Mercoid Corp the), SW49 (Navcom Defense Electronics, Inc.).

What NSN replaces 5930-00-327-8388?

There is 1 known substitute for 5930-00-327-8388: 2825-01-196-3940. Verify interchangeability with system specifications before substitution.

What are the specifications of 577A1?

Key specifications for 577A1: Body Diameter: 0.375 INCHES NOMINAL IN; Maximum Voltage Rating in Volts: 115.0 AC AND 115.0 DC; Contact Load Current Rating at Maximum Rated Voltage: 1.000 AMPERES RESISTIVE DC AND 1.000 AMPERES RESISTIVE AC; Body Length: 1.312 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-327-8388 still in active supply?

NSN 5930-00-327-8388 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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