JR21 — SWITCH,ROTARY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

JR21: SWITCH,ROTARY.

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include shaft_type: RECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR, shaft_length: 2.275 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2B SINGLE MOUNTING FACILITY, overall_width: 2.812 INCHES NOMINAL IN, pole_quantity: 1 EACH SECTION PERIPHERY, terminal_type: TAB W/SCREW. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-669-9989, 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

JR21

NSN: 5930-00-669-9989
FSC: 5930 — Switches
CAGE: 82121 — ELECTRO SWITCH CORP. DBA ELECTRO SWITCH CORP (USA)

SPECIFICATIONS

shaft_type	RECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR
shaft_length	2.275 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class	2B SINGLE MOUNTING FACILITY
overall_width	2.812 INCHES NOMINAL IN
pole_quantity	1 EACH SECTION PERIPHERY
terminal_type	TAB W/SCREW
overall_height	2.812 INCHES NOMINAL IN
overall_length	11.395 INCHES NOMINAL IN
throw_quantity	8 EACH SECTION PERIPHERY
mounting_method	THREADED HOLE(S) SINGLE MOUNTING FACILITY
special_features	SHAFT UNDERCUT 0.125 IN. IN
style_designator	TAP, CIRCUIT SELECTOR
NSN	5930-00-669-9989

COMPONENT DIAGRAM

KEY FEATURES

•

SHAFT TYPE: RECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR

•

SWITCH CONTACT BASIC DESIGN: NONPILE-UP SYMMETRICAL

•

TERMINAL TYPE: TAB W/SCREW

•

MOUNTING FACILITY PATTERN: FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY

•

CONTACT LOAD CURRENT RATING: 10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL

•

MOUNTING METHOD: THREADED HOLE(S) SINGLE MOUNTING FACILITY

TECHNICAL CHARACTERISTICS

SHAFT TYPE	RECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR
OVERALL HEIGHT	2.812 INCHES NOMINAL IN
SWITCH CONTACT BASIC DESIGN	NONPILE-UP SYMMETRICAL
TERMINAL TYPE	TAB W/SCREW
MOUNTING FACILITY PATTERN	FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
CONTACT LOAD CURRENT RATING	10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
CONTACT LOAD CURRENT RATING	5.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
MOUNTING METHOD	THREADED HOLE(S) SINGLE MOUNTING FACILITY
POLE QUANTITY	1 EACH SECTION PERIPHERY
STYLE DESIGNATOR	TAP, CIRCUIT SELECTOR

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

23021LASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is JR21?

JR21 is a SWITCH,ROTARY.

What parts can replace JR21?

There is 1 known substitute for JR21: 23021LA. Substitute compatibility should be verified for your specific system.

What is the NSN for JR21?

JR21 is cataloged in the U.S. Government catalog under NSN 5930-00-669-9989. This indicates validated use in U.S. government and defense supply chains.

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