20SR2B1 — SWITCH,ROTARY

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

20SR2B1: SWITCH,ROTARY.

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include shaft_type: ROUND, FLATTED SINGLE ACTUATOR, flat_height: 0.467 INCHES NOMINAL SINGLE ACTUATOR IN, shaft_length: 1.188 INCHES NOMINAL SINGLE ACTUATOR IN, overall_width: 6.750 INCHES NOMINAL IN, terminal_type: THREADED STUD, overall_height: 6.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-548-7948, 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→ 20SR2B1

NSN: 5930-00-548-7948
FSC: 5930 — Switches
CAGE: 82121 — ELECTRO SWITCH CORP. DBA ELECTRO SWITCH CORP (USA)

SPECIFICATIONS

shaft_type	ROUND, FLATTED SINGLE ACTUATOR
flat_height	0.467 INCHES NOMINAL SINGLE ACTUATOR IN
shaft_length	1.188 INCHES NOMINAL SINGLE ACTUATOR IN
overall_width	6.750 INCHES NOMINAL IN
terminal_type	THREADED STUD
overall_height	6.750 INCHES NOMINAL IN
overall_length	10.063 INCHES NOMINAL IN
shaft_diameter	0.625 INCHES NOMINAL SINGLE ACTUATOR IN
mounting_method	BRACKET(S) AND UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
style_designator	TAP, CIRCUIT SELECTOR
features_provided	ACTUATOR KNOB
first_flat_length	0.875 INCHES NOMINAL SINGLE ACTUATOR IN
NSN	5930-00-548-7948

COMPONENT DIAGRAM

KEY FEATURES

•

SHAFT TYPE: ROUND, FLATTED SINGLE ACTUATOR

•

SHAFT DIAMETER: 0.625 INCHES NOMINAL SINGLE ACTUATOR IN

•

SWITCH CONTACT BASIC DESIGN: NONPILE-UP SYMMETRICAL

•

TERMINAL TYPE: THREADED STUD

•

MOUNTING FACILITY PATTERN: FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY

•

FIRST FLAT LENGTH: 0.875 INCHES NOMINAL SINGLE ACTUATOR IN

•

CONTACT LOAD CURRENT RATING: 200.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL

TECHNICAL CHARACTERISTICS

SHAFT TYPE	ROUND, FLATTED SINGLE ACTUATOR
OVERALL HEIGHT	6.750 INCHES NOMINAL IN
SHAFT DIAMETER	0.625 INCHES NOMINAL SINGLE ACTUATOR IN
SWITCH CONTACT BASIC DESIGN	NONPILE-UP SYMMETRICAL
TERMINAL TYPE	THREADED STUD
MOUNTING FACILITY PATTERN	FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
FIRST FLAT LENGTH	0.875 INCHES NOMINAL SINGLE ACTUATOR IN
CONTACT LOAD CURRENT RATING	200.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
CONTACT LOAD CURRENT RATING	200.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
MOUNTING METHOD	BRACKET(S) AND UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY

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

9300Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

81443VMReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 20SR2B1?

20SR2B1 is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).

What parts can replace 20SR2B1?

There are 2 known substitutes for 20SR2B1: 9300, 81443VM. Substitute compatibility should be verified for your specific system.

What is the NSN for 20SR2B1?

20SR2B1 is cataloged in the U.S. Government catalog under NSN 5930-00-548-7948. This indicates validated use in U.S. government and defense supply chains.

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