PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A12-40Switch,pressure

Nason Company, the Inc · NSN 5930-00-258-6083 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-258-6083 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-258-6083. Primary manufacturer part number: A12-40.
Features
  • Switch,pressure — FSC 5930
  • Pressure Switch Type: GAGE
  • Contact Stimulus Rating: 3.00 DIFFERENTIAL POINT NOMINAL POUND
  • Nominal Thread Size: 0.250 INCHES SINGLE PRESSURE CONNECTION IN
  • Contact Load Current Rating: 10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
  • Contact Voltage Rating in Volts: 115.0 AC AT SEA LEVEL FIRST VOLTAGE
  • Contact Adjustability: DEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE
  • Contact Voltage Rating in Volts: 24.0 DC AT SEA LEVEL SECOND VOLTAGE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,pressure, cataloged under National Stock Number 5930-00-258-6083, 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 Nason Company, the Inc. Government technical data includes 11 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-258-6083
Primary Part NumberA12-40
Item NameSwitch,pressure
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerNason Company, the Inc
StatusACTIVE
Pressure Switch TypeGAGE
Contact Stimulus Rating3.00 DIFFERENTIAL POINT NOMINAL POUND
Nominal Thread Size0.250 INCHES SINGLE PRESSURE CONNECTION IN
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL FIRST VOLTAGE
Contact AdjustabilityDEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE
Contact Voltage Rating in Volts24.0 DC AT SEA LEVEL SECOND VOLTAGE
Thread Quantity Per Inch18 SINGLE PRESSURE CONNECTION
Mounting MethodBASE
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Thread Series DesignatorUNF SINGLE PRESSURE CONNECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
8455-00-131-2106 INTERCHANGEABLE
Insignia,shoulder Sleeve
6610-00-531-6153 INTERCHANGEABLE
Indicator,turn and Slip
8455-00-641-8928 INTERCHANGEABLE
Insignia,shoulder Sleeve
5999-01-102-1047 INTERCHANGEABLE
Contact,electrical
5945-01-265-0990 INTERCHANGEABLE
Relay,solid State
8455-01-528-9094 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-660-5399 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-700-1434 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A12-40 PRIMARY Nason Company, the Inc (USA)
Related Parts
8455-00-131-2106INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
6610-00-531-6153INTERCHANGEABLE
INDICATOR,TURN AND SLIP
8455-00-641-8928INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5999-01-102-1047INTERCHANGEABLE
CONTACT,ELECTRICAL
5945-01-265-0990INTERCHANGEABLE
RELAY,SOLID STATE
8455-01-528-9094INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-660-5399INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-700-1434INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 5930-00-258-6083?

NSN 5930-00-258-6083 is a Switch,pressure, manufactured by Nason Company, the Inc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-258-6083?

NSN 5930-00-258-6083 has 1 cross-referenced part number: A12-40 (Nason Company, the Inc).

What NSN replaces 5930-00-258-6083?

There are 8 known substitutes for 5930-00-258-6083: 8455-00-131-2106, 6610-00-531-6153, 8455-00-641-8928 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A12-40?

Key specifications for A12-40: Pressure Switch Type: GAGE; Contact Stimulus Rating: 3.00 DIFFERENTIAL POINT NOMINAL POUND; Special Features: 2 MTG HOLES SPACED 2-3/8 IN. C TO C IN; Nominal Thread Size: 0.250 INCHES SINGLE PRESSURE CONNECTION IN. 12 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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