PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FES191BSwitch,pressure

Hiller Aircraft Corporation · NSN 5930-00-503-2860 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-503-2860 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-503-2860. Primary manufacturer part number: FES191B.
Features
  • Switch,pressure — FSC 5930
  • Pressure Switch Type: GAGE
  • Mounting Facility Pattern: TWO POSITION IN-LINE
  • Terminal Type: CONNECTOR, RECEPTACLE
  • Thread Quantity Per Inch: 20 SINGLE PRESSURE CONNECTION
  • Nominal Thread Size: 0.438 INCHES SINGLE PRESSURE CONNECTION IN
  • Style Designator: CYLINDRICAL W/MOUNTING LUGS
  • Media for Which Designed: LIQUID
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,pressure, cataloged under National Stock Number 5930-00-503-2860, 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 Hiller Aircraft Corporation. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-503-2860
Primary Part NumberFES191B
Item NameSwitch,pressure
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerHiller Aircraft Corporation
StatusACTIVE
Pressure Switch TypeGAGE
Mounting Facility PatternTWO POSITION IN-LINE
Terminal TypeCONNECTOR, RECEPTACLE
Thread Quantity Per Inch20 SINGLE PRESSURE CONNECTION
Nominal Thread Size0.438 INCHES SINGLE PRESSURE CONNECTION IN
Style DesignatorCYLINDRICAL W/MOUNTING LUGS
Media for Which DesignedLIQUID
Contact Stimulus Rating18.50 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH AND 17.50 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH AND 1.00 DIFFERENTIAL POINT NOMINAL POUNDS PER SQUARE INCH
Body Diameter3.000 INCHES NOMINAL IN
Thread Series DesignatorUNF SINGLE PRESSURE CONNECTION
Pressure Connector TypePLAIN, THREADED INTERNAL SINGLE CONNECTION
Proof Pressure50.00 POUNDS PER SQUARE INCH LBS
Operating Temp Rating-65.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF
Contact Voltage Rating in Volts30.0 DC AT SEA LEVEL SINGLE VOLTAGE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Unthreaded Mounting Hole Diameter0.203 INCHES NOMINAL IN
Contact Action StimulusDECREASE
Contact Load Current Rating500.0 MILLIAMPERES RESISTIVE LOAD SINGLE VOLTAGE
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Distance Between Mounting Facility Centers3.000 INCHES NOMINAL IN
Thread Class3B SINGLE PRESSURE CONNECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-065-485601221 INTERCHANGEABLE
Retainer,ball,bearing
Defense Logistics Agency Dba Defense Supply Center Philadelphia
5330-00-256-81571344 INTERCHANGEABLE
Gasket
Smith Meter Inc Parts Opn
1650-00-304-6167 INTERCHANGEABLE
Cylinder,actuating,linear
6145-00-578-6605M5086/2-16-9 INTERCHANGEABLE
Wire,electrical
Sae International Dba Sae International
5342-00-657-69321344 INTERCHANGEABLE
Latch,plate
Miller-Holzwarth Inc.
2910-00-737-8050 INTERCHANGEABLE
Parts Kit,carburetor
5998-00-794-2184 INTERCHANGEABLE
Circuit Card Assembly
2990-00-846-29421551 INTERCHANGEABLE
Muffler,exhaust
Arvin Industries Inc
5325-00-857-1675 INTERCHANGEABLE
Grommet,nonmetallic
5985-00-871-9476736919-01 INTERCHANGEABLE
Dummy Load,electrical
Ge Aviation Systems Llc
Cross-Reference Index
Part NumberManufacturer
FES191B PRIMARY Hiller Aircraft Corporation (USA)
410-15-142A Barksdale, Inc (USA)
P8000-035 Gap Instrument Corp Gorn Div (USA)
1344 Hydra-Electric Company Dba Hydra-Electric Co (USA)
Related Parts
3110-00-065-4856INTERCHANGEABLE
RETAINER,BALL,BEARING
01221
5330-00-256-8157INTERCHANGEABLE
GASKET
1344
1650-00-304-6167INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
6145-00-578-6605INTERCHANGEABLE
WIRE,ELECTRICAL
M5086/2-16-9
5342-00-657-6932INTERCHANGEABLE
LATCH,PLATE
1344
2910-00-737-8050INTERCHANGEABLE
PARTS KIT,CARBURETOR
5998-00-794-2184INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2990-00-846-2942INTERCHANGEABLE
MUFFLER,EXHAUST
1551
5325-00-857-1675INTERCHANGEABLE
GROMMET,NONMETALLIC
5985-00-871-9476INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
736919-01
1377-00-925-8553INTERCHANGEABLE
SQUIB,ELECTRIC
1344
4320-01-023-6502INTERCHANGEABLE
PUMP UNIT,ROTARY

Frequently Asked Questions

What is NSN 5930-00-503-2860?

NSN 5930-00-503-2860 is a Switch,pressure, manufactured by Hiller Aircraft Corporation, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-503-2860?

NSN 5930-00-503-2860 has 4 cross-referenced part numbers: FES191B (Hiller Aircraft Corporation), 410-15-142A (Barksdale, Inc), P8000-035 (Gap Instrument Corp Gorn Div), 1344 (Hydra-Electric Company Dba Hydra-Electric Co).

What NSN replaces 5930-00-503-2860?

There are 12 known substitutes for 5930-00-503-2860: 3110-00-065-4856, 5330-00-256-8157, 1650-00-304-6167 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FES191B?

Key specifications for FES191B: Pressure Switch Type: GAGE; Mounting Facility Pattern: TWO POSITION IN-LINE; Terminal Type: CONNECTOR, RECEPTACLE; Thread Quantity Per Inch: 20 SINGLE PRESSURE CONNECTION. 24 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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