121904LN — SWITCH,ROTARY

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

121904LN: SWITCH,ROTARY.

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include overall_width: 2.875 INCHES NOMINAL IN, pole_quantity: 4 SINGLE SECTION FRONT, overall_height: 2.875 INCHES NOMINAL IN, overall_length: 3.500 INCHES MAXIMUM IN, throw_quantity: 3 SINGLE SECTION FRONT, features_provided: ACTUATOR KNOB. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-403-1325, 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→ 121904LN

NSN: 5930-00-403-1325
FSC: 5930 — Switches
CAGE: 82121 — ELECTRO SWITCH CORP. DBA ELECTRO SWITCH CORP (USA)

SPECIFICATIONS

overall_width	2.875 INCHES NOMINAL IN
pole_quantity	4 SINGLE SECTION FRONT
overall_height	2.875 INCHES NOMINAL IN
overall_length	3.500 INCHES MAXIMUM IN
throw_quantity	3 SINGLE SECTION FRONT
features_provided	ACTUATOR KNOB
mounting_facility_pattern	FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
contact_load_current_rating	5.00 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
individual_section_quantity	1
switch_contact_basic_design	NONPILE-UP SYMMETRICAL
contact_voltage_rating_in_volts	600.0 LOWEST AC VOLTAGE RATING AT SEA LEVEL
switch_actuator_indexing_position_quantity	4 SINGLE ACTUATOR
NSN	5930-00-403-1325

COMPONENT DIAGRAM

KEY FEATURES

•

SWITCH CONTACT BASIC DESIGN: NONPILE-UP SYMMETRICAL

•

MOUNTING FACILITY PATTERN: FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY

•

CONTACT LOAD CURRENT RATING: 5.00 AMPERES RESISTIVE LOAD AC AT SEA LEVEL

•

POLE QUANTITY: 4 SINGLE SECTION FRONT

•

LONGEST VERTICAL DISTANCE BETWEEN MOUNTING CENTERS: 1.634 INCHES NOMINAL SINGLE MOUNTING FACILITY IN

•

INDIVIDUAL SECTION QUANTITY: 1

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	2.875 INCHES NOMINAL IN
SWITCH CONTACT BASIC DESIGN	NONPILE-UP SYMMETRICAL
MOUNTING FACILITY PATTERN	FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
CONTACT LOAD CURRENT RATING	5.00 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
POLE QUANTITY	4 SINGLE SECTION FRONT
LONGEST VERTICAL DISTANCE BETWEEN MOUNTING CENTERS	1.634 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
INDIVIDUAL SECTION QUANTITY	1
OVERALL LENGTH	3.500 INCHES MAXIMUM IN
OVERALL WIDTH	2.875 INCHES NOMINAL IN
FEATURES PROVIDED	ACTUATOR KNOB

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 1

J87-0057Same 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 121904LN?

121904LN is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).

What parts can replace 121904LN?

There is 1 known substitute for 121904LN: J87-0057. Substitute compatibility should be verified for your specific system.

What is the NSN for 121904LN?

121904LN is cataloged in the U.S. Government catalog under NSN 5930-00-403-1325. This indicates validated use in U.S. government and defense supply chains.

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