PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-957-1Switch,pressure

Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit · NSN 5930-00-903-9016 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-903-9016 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-903-9016. Primary manufacturer part number: 4-957-1.
Features
  • Switch,pressure — FSC 5930
  • Media for Which Designed: LIQUID
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Contact Adjustability: DEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE
  • Contact Load Current Rating: 15.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
  • Operating Temp Rating: 5000.0 CELSIUS MAXIMUM DEGC
  • Contact Voltage Rating in Volts: 115.0 AC AT SEA LEVEL SINGLE VOLTAGE
  • Contact Action Stimulus: INCREASE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,pressure, cataloged under National Stock Number 5930-00-903-9016, 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 Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-903-9016
Primary Part Number4-957-1
Item NameSwitch,pressure
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerTeledyne Industries Inc Teledyne Fluid Systems Republic Business Unit
StatusACTIVE
Media for Which DesignedLIQUID
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Contact AdjustabilityDEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE
Contact Load Current Rating15.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Operating Temp Rating5000.0 CELSIUS MAXIMUM DEGC
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL SINGLE VOLTAGE
Contact Action StimulusINCREASE
Mounting MethodFLUSH
Terminal TypeTAB, SOLDER LUG
Pressure Switch TypeDIFFERENTIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1680-00-004-532161250 INTERCHANGEABLE
Cover Assembly,seat,bottom
B/e Aerospace Inc Dba Interturbine
4730-01-182-793629003-5 INTERCHANGEABLE
Expansion Joint,pipe
Hyspan Precision Products, Inc.
5330-01-701-2973290035 INTERCHANGEABLE
Gasket
Alfa Laval Inc
Cross-Reference Index
Part NumberManufacturer
4-957-1 Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA)
290035 Eaton Corp Dba Eaton Aerospace Jackson (USA)
Related Parts
1680-00-004-5321INTERCHANGEABLE
COVER ASSEMBLY,SEAT,BOTTOM
61250
4730-01-182-7936INTERCHANGEABLE
EXPANSION JOINT,PIPE
29003-5
5330-01-701-2973INTERCHANGEABLE
GASKET
290035

Frequently Asked Questions

What is NSN 5930-00-903-9016?

NSN 5930-00-903-9016 is a Switch,pressure, manufactured by Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-903-9016?

NSN 5930-00-903-9016 has 2 cross-referenced part numbers: 4-957-1 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 290035 (Eaton Corp Dba Eaton Aerospace Jackson).

What NSN replaces 5930-00-903-9016?

There are 3 known substitutes for 5930-00-903-9016: 1680-00-004-5321, 4730-01-182-7936, 5330-01-701-2973. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-957-1?

Key specifications for 4-957-1: Media for Which Designed: LIQUID; Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION; Contact Adjustability: DEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE; Contact Load Current Rating: 15.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE. 10 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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