PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M-4001-1PSISwitch,pressure

Hobbs Corp · NSN 5930-00-488-9976 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-488-9976 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-488-9976. Primary manufacturer part number: M-4001-1PSI.
Features
  • Switch,pressure — FSC 5930
  • Precious Material: SILVER
  • Overall Diameter: 1.690 INCHES NOMINAL IN
  • Mounting Method: CLAMP
  • Contact Adjustability: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
  • Precious Material and Location: CONTACTS SILVER
  • Contact Action Stimulus: INCREASE
  • Terminal Type: TAB W/SCREW
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,pressure, cataloged under National Stock Number 5930-00-488-9976, 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 Hobbs Corp. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-488-9976
Primary Part NumberM-4001-1PSI
Item NameSwitch,pressure
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerHobbs Corp
StatusACTIVE
Precious MaterialSILVER
Overall Diameter1.690 INCHES NOMINAL IN
Mounting MethodCLAMP
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Precious Material and LocationCONTACTS SILVER
Contact Action StimulusINCREASE
Terminal TypeTAB W/SCREW
Nominal Thread Size0.125 INCHES SINGLE PRESSURE CONNECTION IN
Thread Series DesignatorNPT SINGLE PRESSURE CONNECTION
Pressure Connector TypeFLARED, THREADED EXTERNAL SINGLE CONNECTION
Features ProvidedINTERNALLY GROUNDED
Contact Load Current Rating4.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Contact Load Current Rating15.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Stimulus Rating1.00 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH AND 0.50 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH AND 0.50 DIFFERENTIAL POINT NOMINAL POUNDS PER SQUARE INCH
Pressure Switch TypeGAGE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Contact Voltage Rating in Volts6.0 DC AT SEA LEVEL SECOND VOLTAGE
Media for Which DesignedGAS OR LIQUID
Contact Voltage Rating in Volts24.0 DC AT SEA LEVEL FIRST VOLTAGE
Style DesignatorCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5905-00-280-0990L25J5K0E INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
2520-00-496-21094439 INTERCHANGEABLE
Collar,clutch Throw
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
6750-01-384-0396 INTERCHANGEABLE
Paper,photographic
7710-01-438-9266A0212 INTERCHANGEABLE
Cymbal
Zildjian Avedis Co
8115-01-444-0212UP404845SS104 INTERCHANGEABLE
Sleeve,box
Shuert Industries, Inc. Dba Shuert Industries Inc
Cross-Reference Index
Part NumberManufacturer
M-4001-1PSI Hobbs Corp (USA)
021-2 International Diesel Electric Co Inc (USA)
M-4001-1PSI PORM 1/2PSI Hobbs Corp (USA)
Related Parts
5905-00-280-0990INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
L25J5K0E
2520-00-496-2109INTERCHANGEABLE
COLLAR,CLUTCH THROW
4439
6750-01-384-0396INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
7710-01-438-9266INTERCHANGEABLE
CYMBAL
A0212
8115-01-444-0212INTERCHANGEABLE
SLEEVE,BOX
UP404845SS104

Frequently Asked Questions

What is NSN 5930-00-488-9976?

NSN 5930-00-488-9976 is a Switch,pressure, manufactured by Hobbs Corp, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-488-9976?

NSN 5930-00-488-9976 has 3 cross-referenced part numbers: M-4001-1PSI (Hobbs Corp), 021-2 (International Diesel Electric Co Inc), M-4001-1PSI PORM 1/2PSI (Hobbs Corp).

What NSN replaces 5930-00-488-9976?

There are 5 known substitutes for 5930-00-488-9976: 5905-00-280-0990, 2520-00-496-2109, 6750-01-384-0396 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M-4001-1PSI?

Key specifications for M-4001-1PSI: Precious Material: SILVER; Overall Diameter: 1.690 INCHES NOMINAL IN; Mounting Method: CLAMP; Contact Adjustability: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE. 21 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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