21EN51R3 — SWITCH,SENSITIVE

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

21EN51R3: SWITCH,SENSITIVE.

The SWITCH,SENSITIVE is a the manufacturer industrial component. Key specifications include actuator_style: ROLLER PLUNGER, inclosure_type: FULLY INCLOSED, actuator_movement: 0.040 PRETRAVEL INCHES MAXIMUM AND 0.250 OVERTRAVEL INCHES MINIMUM AND 0.020 DIFFERENTIAL INCHES MAXIMUM, actuator_roller_width: 0.500 INCHES NOMINAL IN, actuator_roller_diameter: 0.120 INCHES NOMINAL IN, terminal_type_and_quantity: 1 CONNECTOR, RECEPTACLE. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-006-9888, 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

MRO→ MRO_GENERAL→ 21EN51R3

NSN: 5930-01-006-9888
FSC: 5930 — Switches
CAGE: 91929 — HONEYWELL INTERNATIONAL INC. DBA HONEYWEEL SENSING & CONTROLS (USA)

SPECIFICATIONS

actuator_style	ROLLER PLUNGER
inclosure_type	FULLY INCLOSED
actuator_movement	0.040 PRETRAVEL INCHES MAXIMUM AND 0.250 OVERTRAVEL INCHES MINIMUM AND 0.020 DIFFERENTIAL INCHES MAXIMUM
actuator_roller_width	0.500 INCHES NOMINAL IN
actuator_roller_diameter	0.120 INCHES NOMINAL IN
terminal_type_and_quantity	1 CONNECTOR, RECEPTACLE
actuator_free_position_height	1.751 INCHES MINIMUM AND 1.811 INCHES MAXIMUM IN
nonpile-up_contact_arrangement	2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
maximum_voltage_rating_in_volts	28.0 DC
hazardous_locations/environmental_protection	SUBMERSIBLE
contact_load_current_rating_at_maximum_rated_voltage	5.000 AMPERES RESISTIVE DC AND 3.000 AMPERES INDUCTIVE DC AND 4.000 AMPERES MOTOR DC
NSN	5930-01-006-9888

COMPONENT DIAGRAM

KEY FEATURES

•

INCLOSURE TYPE: FULLY INCLOSED

•

ACTUATOR STYLE: ROLLER PLUNGER

•

ACTUATOR ROLLER WIDTH: 0.500 INCHES NOMINAL IN

•

ACTUATOR MOVEMENT: 0.040 PRETRAVEL INCHES MAXIMUM AND 0.250 OVERTRAVEL INCHES MINIMUM AND 0.020 DIFFERENTIAL INCHES MAXIMUM

•

NONPILE-UP CONTACT ARRANGEMENT: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT

•

MAXIMUM VOLTAGE RATING IN VOLTS: 28.0 DC

•

TERMINAL TYPE AND QUANTITY: 1 CONNECTOR, RECEPTACLE

•

ACTUATOR ROLLER DIAMETER: 0.120 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

INCLOSURE TYPE	FULLY INCLOSED
ACTUATOR STYLE	ROLLER PLUNGER
ACTUATOR ROLLER WIDTH	0.500 INCHES NOMINAL IN
ACTUATOR MOVEMENT	0.040 PRETRAVEL INCHES MAXIMUM AND 0.250 OVERTRAVEL INCHES MINIMUM AND 0.020 DIFFERENTIAL INCHES MAXIMUM
NONPILE-UP CONTACT ARRANGEMENT	2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
MAXIMUM VOLTAGE RATING IN VOLTS	28.0 DC
TERMINAL TYPE AND QUANTITY	1 CONNECTOR, RECEPTACLE
ACTUATOR ROLLER DIAMETER	0.120 INCHES NOMINAL IN
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE	5.000 AMPERES RESISTIVE DC AND 3.000 AMPERES INDUCTIVE DC AND 4.000 AMPERES MOTOR DC
ACTUATOR FREE POSITION HEIGHT	1.751 INCHES MINIMUM AND 1.811 INCHES MAXIMUM IN

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 2

443357KReference document

Same NSN cross-reference

Reference document — Secondary reference

5L.4662.001.36Same 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

Ready to buy 21EN51R3?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is 21EN51R3?

21EN51R3 is a SWITCH,SENSITIVE. It is classified as a MRO (MRO_GENERAL).

What parts can replace 21EN51R3?

There are 2 known substitutes for 21EN51R3: 443357K, 5L.4662.001.36. Substitute compatibility should be verified for your specific system.

What is the NSN for 21EN51R3?

21EN51R3 is cataloged in the U.S. Government catalog under NSN 5930-01-006-9888. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

21EN51R3 — SWITCH,SENSITIVE

Request a Quote — 21EN51R3