PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

65302-12559-103Switch,pressure

Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · NSN 5930-00-044-4801 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-044-4801 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-044-4801. Primary manufacturer part number: 65302-12559-103.
Features
  • Switch,pressure — FSC 5930
  • Pressure Switch Type: GAGE
  • Nominal Thread Size: 0.164 INCHES ALL THREADED HOLE IN
  • Contact Action Stimulus: INCREASE
  • Thread Class: 2B ALL THREADED HOLE
  • Nonpile-Up Contact Arrangement: 2 POLE, DOUBLE THROW, TWO POSITIONS MOMENTARY
  • Longest Horizontal Distance Between Mounting Centers: 2.000 INCHES NOMINAL IN
  • Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,pressure, cataloged under National Stock Number 5930-00-044-4801, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-044-4801
Primary Part Number65302-12559-103
Item NameSwitch,pressure
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
StatusCANCELLED
Pressure Switch TypeGAGE
Nominal Thread Size0.164 INCHES ALL THREADED HOLE IN
Contact Action StimulusINCREASE
Thread Class2B ALL THREADED HOLE
Nonpile-Up Contact Arrangement2 POLE, DOUBLE THROW, TWO POSITIONS MOMENTARY
Longest Horizontal Distance Between Mounting Centers2.000 INCHES NOMINAL IN
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Mounting Facility PatternFOUR POSITION RECTANGULAR
Thread Quantity Per Inch32 ALL THREADED HOLE
Thread Quantity Per Inch20 ALL PRESSURE CONNECTION
Contact Stimulus Rating13.00 ACTUATION POINT NOMINAL INCHES OF WATER
Mounting MethodBASE AND THREADED HOLE(S)
Terminal TypeCONNECTOR, RECEPTACLE
Longest Vertical Distance Between Mounting Centers2.000 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL THREADED HOLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5975-00-022-1307435-0002-110 INTERCHANGEABLE
Strap,tie Down,electrical Compon
Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems
3120-00-035-690221-422 INTERCHANGEABLE
Bearing,sleeve
Dresser Industries Inc Leroi Div
4820-00-042-3772320-3-1 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
6685-00-180-892721-422 INTERCHANGEABLE
Regulator,single to
Horizon Aerospace Llc Dba Magnetics Division
5935-00-201-5995 INTERCHANGEABLE
Connector,receptacle,electrical
2805-00-278-191343140A INTERCHANGEABLE
Ring,piston
Brinkley Technology Group Llc Dba Hercules Manufacturing
5325-00-290-8022214-22 INTERCHANGEABLE
Receptacle,turnlock Fastener
Howmet Global Fastening Systems Inc Div Camloc Products
5935-00-403-79652142-2 INTERCHANGEABLE
Jack,tip
Fluke Electronics Corp
3110-00-435-891732031 INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
2990-01-084-34845-21422L INTERCHANGEABLE
Starter,engine,air
Maradyne Corporation
Cross-Reference Index
Part NumberManufacturer
65302-12559-103 PRIMARY Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
3203-1 Spectrum Pressurestat Co Inc (USA)
65302-12559-103 Kearflex Engineering Company (USA)
3203-1 Spectrum Associates, Inc. (USA)
2142-2 Kearflex Engineering Company (USA)
2142 Kearflex Engineering Company (USA)
Related Parts
5975-00-022-1307INTERCHANGEABLE
STRAP,TIE DOWN,ELECTRICAL COMPON
435-0002-110
3120-00-035-6902INTERCHANGEABLE
BEARING,SLEEVE
21-422
4820-00-042-3772INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
320-3-1
6685-00-180-8927INTERCHANGEABLE
REGULATOR,SINGLE TO
21-422
5935-00-201-5995INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2805-00-278-1913INTERCHANGEABLE
RING,PISTON
43140A
5325-00-290-8022INTERCHANGEABLE
RECEPTACLE,TURNLOCK FASTENER
214-22
5935-00-403-7965INTERCHANGEABLE
JACK,TIP
2142-2
3110-00-435-8917INTERCHANGEABLE
BEARING,BALL,ANNULAR
32031
2990-01-084-3484INTERCHANGEABLE
STARTER,ENGINE,AIR
5-21422L
5935-01-103-2607INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
21422
5999-01-252-0043INTERCHANGEABLE
CLIP,ELECTRICAL
32031

Frequently Asked Questions

What is NSN 5930-00-044-4801?

NSN 5930-00-044-4801 is a Switch,pressure, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-044-4801?

NSN 5930-00-044-4801 has 6 cross-referenced part numbers: 65302-12559-103 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 3203-1 (Spectrum Pressurestat Co Inc), 65302-12559-103 (Kearflex Engineering Company), 3203-1 (Spectrum Associates, Inc.), 2142-2 (Kearflex Engineering Company) and 1 more.

What NSN replaces 5930-00-044-4801?

There are 12 known substitutes for 5930-00-044-4801: 5975-00-022-1307, 3120-00-035-6902, 4820-00-042-3772 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 65302-12559-103?

Key specifications for 65302-12559-103: Overall Width: 2.500 INCHES NOMINAL IN; Overall Length: 2.500 INCHES NOMINAL IN; Pressure Switch Type: GAGE; Nominal Thread Size: 0.164 INCHES ALL THREADED HOLE IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-044-4801 still in active supply?

NSN 5930-00-044-4801 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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