PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9-8307SC-8TSwitch,mercury

Dwyer Instruments Inc · NSN 5930-00-988-1403 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-988-1403 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-988-1403. Primary manufacturer part number: 9-8307SC-8T.
Features
  • Switch,mercury — FSC 5930
  • Terminal Type and Quantity: 2 WIRE LEAD
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION SINGLE SWITCH UNIT
  • Contact Load Current Rating at Maximum Rated Voltage: 70.000 MILLIAMPERES RESISTIVE DC AND 500.000 MILLIAMPERES RESISTIVE AC
  • Body Diameter: 0.516 INCHES NOMINAL IN
  • Body Style: UNCASED
  • Body Length: 2.000 INCHES NOMINAL IN
  • Maximum Voltage Rating in Volts: 230.0 AC AND 230.0 DC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,mercury, cataloged under National Stock Number 5930-00-988-1403, 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 Dwyer Instruments Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-988-1403
Primary Part Number9-8307SC-8T
Item NameSwitch,mercury
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerDwyer Instruments Inc
StatusCANCELLED
Terminal Type and Quantity2 WIRE LEAD
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION SINGLE SWITCH UNIT
Contact Load Current Rating at Maximum Rated Voltage70.000 MILLIAMPERES RESISTIVE DC AND 500.000 MILLIAMPERES RESISTIVE AC
Body Diameter0.516 INCHES NOMINAL IN
Body StyleUNCASED
Body Length2.000 INCHES NOMINAL IN
Maximum Voltage Rating in Volts230.0 AC AND 230.0 DC
Switch Actuation Differential Angle5.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
6740-00-143-3576 INTERCHANGEABLE
Glass,negative Carr
7520-00-227-1451BAUMR2110 INTERCHANGEABLE
Sharpener,pencil
Ellison Systems Inc Div Shoplet.com
5365-00-232-5768 INTERCHANGEABLE
Plug,machine Thread
6250-00-245-1984 INTERCHANGEABLE
Lampholder
5120-00-822-7194220555 INTERCHANGEABLE
Nozzle,caulking Gun
Prc - Desoto International, Inc. Dba Prc-Desoto International, Inc Div Asc-Indianapolis
4940-01-183-2155167070383 INTERCHANGEABLE
Roll,forming Machin
Rw Acquisition, Llc Dba Roper Whitney Company
6220-01-190-32354521 INTERCHANGEABLE
Directional Light,vehicular
Federal-Mogul Corp Government Sales Dept
2520-01-200-4318 INTERCHANGEABLE
Parts Kit,universal Joint
5930-01-222-8919983 INTERCHANGEABLE
Switch,toggle
Cooper Wiring Devices Inc.
5330-01-226-9115983 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
Cross-Reference Index
Part NumberManufacturer
9-8307SC-8T Mercoid Corp the (USA)
PP101-9-8307BB87 Mercoid Corp the (USA)
K210S107 National Weather Service Dba National Weather Service Ohd1 Div Office of Operational Systems (USA)
FL5631 Crouse-Hinds Co (USA)
9-83PP101-9-8307BBR8T Mercoid Corp the (USA)
9-8307BB-8T Mercoid Corp the (USA)
9-83 Mercoid Corp the (USA)
5822AH Crouse-Hinds Co (USA)
9-8307SC-8T PRIMARY Dwyer Instruments Inc (USA)
9-83R Dwyer Instruments Inc (USA)
Related Parts
6740-00-143-3576INTERCHANGEABLE
GLASS,NEGATIVE CARR
7520-00-227-1451INTERCHANGEABLE
SHARPENER,PENCIL
BAUMR2110
5365-00-232-5768INTERCHANGEABLE
PLUG,MACHINE THREAD
6250-00-245-1984INTERCHANGEABLE
LAMPHOLDER
5120-00-822-7194INTERCHANGEABLE
NOZZLE,CAULKING GUN
220555
4940-01-183-2155INTERCHANGEABLE
ROLL,FORMING MACHIN
167070383
6220-01-190-3235INTERCHANGEABLE
DIRECTIONAL LIGHT,VEHICULAR
4521
2520-01-200-4318INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
5930-01-222-8919INTERCHANGEABLE
SWITCH,TOGGLE
983
5330-01-226-9115INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
983
6530-01-554-5265INTERCHANGEABLE
PAD,HOT-COLD TREATMENT,NONCIRCUL
90145

Frequently Asked Questions

What is NSN 5930-00-988-1403?

NSN 5930-00-988-1403 is a Switch,mercury, manufactured by Dwyer Instruments Inc, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-988-1403?

NSN 5930-00-988-1403 has 10 cross-referenced part numbers: 9-8307SC-8T (Mercoid Corp the), PP101-9-8307BB87 (Mercoid Corp the), K210S107 (National Weather Service Dba National Weather Service Ohd1 Div Office of Operational Systems), FL5631 (Crouse-Hinds Co), 9-83PP101-9-8307BBR8T (Mercoid Corp the) and 5 more.

What NSN replaces 5930-00-988-1403?

There are 11 known substitutes for 5930-00-988-1403: 6740-00-143-3576, 7520-00-227-1451, 5365-00-232-5768 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9-8307SC-8T?

Key specifications for 9-8307SC-8T: Terminal Type and Quantity: 2 WIRE LEAD; Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION SINGLE SWITCH UNIT; Contact Load Current Rating at Maximum Rated Voltage: 70.000 MILLIAMPERES RESISTIVE DC AND 500.000 MILLIAMPERES RESISTIVE AC; Body Diameter: 0.516 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-988-1403 still in active supply?

NSN 5930-00-988-1403 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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