8-R-178 — SWITCH,CODE INDICATING WHEEL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

8-R-178: SWITCH,CODE INDICATING WHEEL.

The SWITCH,CODE INDICATING WHEEL is a the manufacturer industrial component. Key specifications include actuator_type: THUMBWHEEL ALL ACTUATORS, overall_width: 1.150 INCHES NOMINAL IN, overall_height: 1.885 INCHES NOMINAL IN, overall_length: 1.770 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY, style_designator: RECTANGULAR INLINE INDICATING. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-024-7885, 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

8-R-178

NSN: 5930-01-024-7885
FSC: 5930 — Switches
CAGE: 07126 — ELECTRO SWITCH CORP. DBA ELECTRO SWITCH CORP DIV DIGITRAN A UNIT OF ELECTRO SWITCH (USA)

SPECIFICATIONS

actuator_type	THUMBWHEEL ALL ACTUATORS
overall_width	1.150 INCHES NOMINAL IN
overall_height	1.885 INCHES NOMINAL IN
overall_length	1.770 INCHES NOMINAL IN
mounting_method	UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
style_designator	RECTANGULAR INLINE INDICATING
precious_material	GOLD
mounting_facility_pattern	FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
readout_indicator_marking	0,1,2,3,4,5,6,7,8,9 EACH SECTION
contact_load_current_rating	125.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL
individual_section_quantity	2
precious_material_and_location	CONTACT SURFACES GOLD
NSN	5930-01-024-7885

COMPONENT DIAGRAM

KEY FEATURES

•

ACTUATOR TYPE: THUMBWHEEL ALL ACTUATORS

•

TERMINAL TYPE: PRINTED CIRCUIT

•

MOUNTING FACILITY PATTERN: FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY

•

PRECIOUS MATERIAL: GOLD

•

CONTACT LOAD CURRENT RATING: 125.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL

•

MOUNTING METHOD: UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	1.885 INCHES NOMINAL IN
ACTUATOR TYPE	THUMBWHEEL ALL ACTUATORS
TERMINAL TYPE	PRINTED CIRCUIT
MOUNTING FACILITY PATTERN	FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
PRECIOUS MATERIAL	GOLD
CONTACT LOAD CURRENT RATING	125.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
CONTACT LOAD CURRENT RATING	125.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL
MOUNTING METHOD	UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
UNTHREADED MOUNTING HOLE DIAMETER	0.100 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
CONTACT ARRANGEMENT TRUTH TABLE	BCD, 1 POLE - 10 POSITIONS EACH SECTION

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

08-R-0178Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 8-R-178?

8-R-178 is a SWITCH,CODE INDICATING WHEEL.

What parts can replace 8-R-178?

There is 1 known substitute for 8-R-178: 08-R-0178. Substitute compatibility should be verified for your specific system.

What is the NSN for 8-R-178?

8-R-178 is cataloged in the U.S. Government catalog under NSN 5930-01-024-7885. This indicates validated use in U.S. government and defense supply chains.

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