PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21319Switch,pressure

Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. · NSN 5930-00-579-2021 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-579-2021 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-579-2021. Primary manufacturer part number: 21319.
Features
  • Switch,pressure — FSC 5930
  • Contact Load Current Rating: 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Contact Load Current Rating: 15.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
  • Body Diameter: 2.625 INCHES NOMINAL IN
  • Body Length: 0.870 INCHES MAXIMUM IN
  • Terminal Type: QUICK DISCONNECT, MALE
  • Mounting Method: CLAMP
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,pressure, cataloged under National Stock Number 5930-00-579-2021, 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 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5930-00-579-2021
Primary Part Number21319
Item NameSwitch,pressure
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerCrane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
StatusACTIVE
Contact Load Current Rating15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Contact Load Current Rating15.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Body Diameter2.625 INCHES NOMINAL IN
Body Length0.870 INCHES MAXIMUM IN
Terminal TypeQUICK DISCONNECT, MALE
Mounting MethodCLAMP
Pressure Switch TypeGAGE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Contact Voltage Rating in Volts125.0 AC AT SEA LEVEL SECOND VOLTAGE
Contact Voltage Rating in Volts250.0 AC AT SEA LEVEL FIRST VOLTAGE
Overall Diameter2.937 INCHES NOMINAL IN
Media for Which DesignedLIQUID
Style DesignatorCYLINDRICAL
Contact Action StimulusINCREASE
Contact Stimulus Rating9.00 ACTUATION POINT NOMINAL INCHES OF WATER AND 3.00 DEACTUATION POINT NOMINAL INCHES OF WATER AND 6.00 DIFFERENTIAL POINT NOMINAL INCHES OF WATER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-547-0123 INTERCHANGEABLE
Sprocket Wheel
3130-01-191-305821319 INTERCHANGEABLE
Cap,pillow Block
Moog Inc. Dba Ampac-Isp Corp
3040-01-431-922421319-1004-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-432-021121319-850-1 INTERCHANGEABLE
Sleeve and Slide,directional Con
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-432-057921319-1007-1 INTERCHANGEABLE
Holder,rolller,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-432-058221319-1008-1 INTERCHANGEABLE
Rod,support,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-449-143421319-1003-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-450-771221319 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
6515-01-591-568050C-0092-0030 INTERCHANGEABLE
Hose Assembly,oxygen
Essex Industries, Inc. Dba Essex Industries
6110-01-606-811721319 INTERCHANGEABLE
Face Plate
Gaylord Marine Services, Inc.
Cross-Reference Index
Part NumberManufacturer
21319 PRIMARY Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
56516SAPC2 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
Related Parts
3020-00-547-0123INTERCHANGEABLE
SPROCKET WHEEL
3130-01-191-3058INTERCHANGEABLE
CAP,PILLOW BLOCK
21319
3040-01-431-9224INTERCHANGEABLE
SHAFT,SHOULDERED
21319-1004-1
4820-01-432-0211INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21319-850-1
4820-01-432-0579INTERCHANGEABLE
HOLDER,ROLLLER,VALVE
21319-1007-1
4820-01-432-0582INTERCHANGEABLE
ROD,SUPPORT,VALVE
21319-1008-1
3040-01-449-1434INTERCHANGEABLE
SHAFT,SHOULDERED
21319-1003-1
4820-01-450-7712INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21319
6515-01-591-5680INTERCHANGEABLE
HOSE ASSEMBLY,OXYGEN
50C-0092-0030
6110-01-606-8117INTERCHANGEABLE
FACE PLATE
21319
5305-01-672-8860INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
21319
6105-01-727-4349INTERCHANGEABLE
STATOR,MOTOR
21319

Frequently Asked Questions

What is NSN 5930-00-579-2021?

NSN 5930-00-579-2021 is a Switch,pressure, manufactured by Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp., classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-579-2021?

NSN 5930-00-579-2021 has 2 cross-referenced part numbers: 21319 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.), 56516SAPC2 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.).

What NSN replaces 5930-00-579-2021?

There are 12 known substitutes for 5930-00-579-2021: 3020-00-547-0123, 3130-01-191-3058, 3040-01-431-9224 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21319?

Key specifications for 21319: Contact Load Current Rating: 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE; Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION; Contact Load Current Rating: 15.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE; Body Diameter: 2.625 INCHES NOMINAL IN. 17 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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