PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

604AS305-11Switch,pressure

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 5930-01-025-7173 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-025-7173 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-025-7173. Primary manufacturer part number: 604AS305-11.
Features
  • Switch,pressure — FSC 5930
  • Media for Which Designed: GAS OR LIQUID
  • Terminal Type: WIRE LEAD
  • Style Designator: RECTANGULAR W/BRACKET
  • Contact Voltage Rating in Volts: 480.0 AC AT SEA LEVEL FIRST VOLTAGE
  • Contact Adjustment Range: +0.03 TO 2.89 ACTUATION POINT POUNDS PER SQUARE INCH AND +0.14 TO 3.00 DEACTUATION POINT POUNDS PER SQUARE INCH
  • Pressure Switch Type: DIFFERENTIAL
  • Distance Between Mounting Facility Centers: 2.500 INCHES NOMINAL IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,pressure, cataloged under National Stock Number 5930-01-025-7173, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-025-7173
Primary Part Number604AS305-11
Item NameSwitch,pressure
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Media for Which DesignedGAS OR LIQUID
Terminal TypeWIRE LEAD
Style DesignatorRECTANGULAR W/BRACKET
Contact Voltage Rating in Volts480.0 AC AT SEA LEVEL FIRST VOLTAGE
Contact Adjustment Range+0.03 TO 2.89 ACTUATION POINT POUNDS PER SQUARE INCH AND +0.14 TO 3.00 DEACTUATION POINT POUNDS PER SQUARE INCH
Pressure Switch TypeDIFFERENTIAL
Distance Between Mounting Facility Centers2.500 INCHES NOMINAL IN
Pressure Connector TypeGASKET SEAL, THREADED INTERNAL SINGLE CONNECTION
Thread Series DesignatorNPT SINGLE PRESSURE CONNECTION
Contact Load Current Rating3.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Contact Action StimulusDECREASE
Nominal Thread Size0.250 INCHES SINGLE PRESSURE CONNECTION IN
Features ProvidedELECTRICAL ACCESS PORT
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Thread Quantity Per Inch18 SINGLE PRESSURE CONNECTION
Inside Diameter0.250 INCHES NOMINAL SINGLE CONNECTION IN
Mounting Facility PatternTWO POSITION IN-LINE
Mounting MethodSLOT
Body Length4.130 INCHES NOMINAL IN
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Contact Adjustment TypeINTERNAL ACTUATION POINT DIAL AND INTERNAL DEACTUATION POINT DIAL
Mounting Slot Width0.280 INCHES NOMINAL IN
Contact Voltage Rating in Volts250.0 AC AT SEA LEVEL SECOND VOLTAGE
Contact AdjustabilityDEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-252-929122213E INTERCHANGEABLE
Bearing,roller,self-Aligning
Gwilliam Company, Inc. Div Ball & Roller Bearing Division
5999-00-257-5740 INTERCHANGEABLE
Contact,electrical
3110-00-650-784222213 INTERCHANGEABLE
Bearing,roller,self-Aligning
Skf (uk) Ltd
3455-01-042-069222213 INTERCHANGEABLE
Broach,keyway
Dumont Corp the
3455-01-065-965719626 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
4820-01-185-368322213 INTERCHANGEABLE
Valve,butterfly
Cleveland Range, Llc
2990-01-318-145922213 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
5310-01-417-725222213 INTERCHANGEABLE
Nut,plain,square
Aeroil Products Co Inc
5330-01-441-919022265 INTERCHANGEABLE
Gasket
Exceltec Intl Corp
8465-01-621-939222213 INTERCHANGEABLE
Club,self-Protection
Armament Systems and Procedures Inc
Cross-Reference Index
Part NumberManufacturer
CD1H-A3SS Barksdale, Inc (USA)
604AS305-11 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
2221-3 Barksdale, Inc (USA)
CD1H-A3 Barksdale, Inc (USA)
Related Parts
3110-00-252-9291INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
22213E
5999-00-257-5740INTERCHANGEABLE
CONTACT,ELECTRICAL
3110-00-650-7842INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
22213
3455-01-042-0692INTERCHANGEABLE
BROACH,KEYWAY
22213
3455-01-065-9657INTERCHANGEABLE
REAMER,MACHINE
19626
4820-01-185-3683INTERCHANGEABLE
VALVE,BUTTERFLY
22213
2990-01-318-1459INTERCHANGEABLE
MUFFLER,EXHAUST
22213
5310-01-417-7252INTERCHANGEABLE
NUT,PLAIN,SQUARE
22213
5330-01-441-9190INTERCHANGEABLE
GASKET
22265
8465-01-621-9392INTERCHANGEABLE
CLUB,SELF-PROTECTION
22213

Frequently Asked Questions

What is NSN 5930-01-025-7173?

NSN 5930-01-025-7173 is a Switch,pressure, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-025-7173?

NSN 5930-01-025-7173 has 4 cross-referenced part numbers: CD1H-A3SS (Barksdale, Inc), 604AS305-11 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 2221-3 (Barksdale, Inc), CD1H-A3 (Barksdale, Inc).

What NSN replaces 5930-01-025-7173?

There are 10 known substitutes for 5930-01-025-7173: 3110-00-252-9291, 5999-00-257-5740, 3110-00-650-7842 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 604AS305-11?

Key specifications for 604AS305-11: Media for Which Designed: GAS OR LIQUID; Terminal Type: WIRE LEAD; Style Designator: RECTANGULAR W/BRACKET; Contact Voltage Rating in Volts: 480.0 AC AT SEA LEVEL FIRST VOLTAGE. 27 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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