B3955-2 — SWITCH,PRESSURE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B3955-2: SWITCH,PRESSURE.

The SWITCH,PRESSURE is a the manufacturer industrial component. Key specifications include body_diameter: 2.500 INCHES NOMINAL IN, terminal_type: TAB W/SCREW, overall_length: 4.000 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S), style_designator: CYLINDRICAL, features_provided: ELECTRICAL ACCESS PORT. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-581-6971, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

B3955-2

NSN: 5930-00-581-6971
FSC: 5930 — Switches
CAGE: 08441 — SPX CORPORATION DBA DIELECTRIC COMMUNICATIONS DIV SPX COMMUNICATION TECHNOLOGIES (USA)

SPECIFICATIONS

body_diameter	2.500 INCHES NOMINAL IN
terminal_type	TAB W/SCREW
overall_length	4.000 INCHES NOMINAL IN
mounting_method	UNTHREADED HOLE(S)
style_designator	CYLINDRICAL
features_provided	ELECTRICAL ACCESS PORT
precious_material	SILVER
frequency_in_hertz	60.0 SINGLE VOLTAGE
nominal_thread_size	0.375 INCHES SINGLE PRESSURE CONNECTION IN
pressure_switch_type	GAGE
contact_adjustability	DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
contact_action_stimulus	DECREASE
NSN	5930-00-581-6971

COMPONENT DIAGRAM

KEY FEATURES

•

BODY DIAMETER: 2.500 INCHES NOMINAL IN

•

FREQUENCY IN HERTZ: 60.0 SINGLE VOLTAGE

•

CONTACT ACTION STIMULUS: DECREASE

•

TERMINAL TYPE: TAB W/SCREW

•

MOUNTING FACILITY PATTERN: TWO POSITION IN-LINE

•

PRECIOUS MATERIAL: SILVER

•

CONTACT LOAD CURRENT RATING: 15.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE

•

MOUNTING METHOD: UNTHREADED HOLE(S)

TECHNICAL CHARACTERISTICS

BODY DIAMETER	2.500 INCHES NOMINAL IN
FREQUENCY IN HERTZ	60.0 SINGLE VOLTAGE
CONTACT ACTION STIMULUS	DECREASE
TERMINAL TYPE	TAB W/SCREW
MOUNTING FACILITY PATTERN	TWO POSITION IN-LINE
PRECIOUS MATERIAL	SILVER
CONTACT LOAD CURRENT RATING	15.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
MOUNTING METHOD	UNTHREADED HOLE(S)
UNTHREADED MOUNTING HOLE DIAMETER	0.875 INCHES NOMINAL IN
STYLE DESIGNATOR	CYLINDRICAL

OTHER ITEMS IN FSC 5930 — Switches

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5930-00-000-0117 5930-00-001-1407 5930-00-001-1890 5930-00-001-2571 5930-00-001-2575 5930-00-001-2580 5930-00-001-2608 5930-00-001-2609

SUBSTITUTES & CROSS-REFERENCES 3

69HA1 F0RM 25Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

ADP-3955PT2Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

69HA2Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B3955-2?

B3955-2 is a SWITCH,PRESSURE.

What parts can replace B3955-2?

There are 3 known substitutes for B3955-2: 69HA1 F0RM 25, ADP-3955PT2, 69HA2. Substitute compatibility should be verified for your specific system.

What is the NSN for B3955-2?

B3955-2 is cataloged in the U.S. Government catalog under NSN 5930-00-581-6971. This indicates validated use in U.S. government and defense supply chains.

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