721856-17 — SWITCH,THERMOSTATIC

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

721856-17: SWITCH,THERMOSTATIC.

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include body_length: 3.343 INCHES NOMINAL IN, thread_class: 3A SINGLE THREADED BUSHING A, body_diameter: 0.625 INCHES NOMINAL IN, terminal_type: WIRE LEAD, overall_length: 4.969 INCHES MINIMUM AND 5.093 INCHES MAXIMUM IN, mounting_method: THREADED BUSHING. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-797-1070, 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

721856-17

NSN: 5930-00-797-1070
FSC: 5930 — Switches
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)

SPECIFICATIONS

body_length	3.343 INCHES NOMINAL IN
thread_class	3A SINGLE THREADED BUSHING A
body_diameter	0.625 INCHES NOMINAL IN
terminal_type	WIRE LEAD
overall_length	4.969 INCHES MINIMUM AND 5.093 INCHES MAXIMUM IN
mounting_method	THREADED BUSHING
style_designator	CYLINDRICAL W/FLANGE
frequency_in_hertz	60.0 FIRST VOLTAGE
width_across_flats	1.000 INCHES NOMINAL IN
nominal_thread_size	0.500 INCHES SINGLE THREADED BUSHING IN
contact_adjustability	DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
contact_action_stimulus	INCREASE
NSN	5930-00-797-1070

COMPONENT DIAGRAM

KEY FEATURES

•

BODY DIAMETER: 0.625 INCHES NOMINAL IN

•

WIDTH ACROSS FLATS: 1.000 INCHES NOMINAL IN

•

FREQUENCY IN HERTZ: 60.0 FIRST VOLTAGE

•

CONTACT ACTION STIMULUS: INCREASE

•

TERMINAL TYPE: WIRE LEAD

•

CONTACT LOAD CURRENT RATING: 10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE

TECHNICAL CHARACTERISTICS

BODY DIAMETER	0.625 INCHES NOMINAL IN
WIDTH ACROSS FLATS	1.000 INCHES NOMINAL IN
FREQUENCY IN HERTZ	60.0 FIRST VOLTAGE
FREQUENCY IN HERTZ	60.0 SECOND VOLTAGE
CONTACT ACTION STIMULUS	INCREASE
TERMINAL TYPE	WIRE LEAD
CONTACT LOAD CURRENT RATING	10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
CONTACT LOAD CURRENT RATING	2.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
CONTACT LOAD CURRENT RATING	5.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
MOUNTING METHOD	THREADED BUSHING

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

18002-21-185FSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

18002-21WITHMOD2AAZAReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 721856-17?

721856-17 is a SWITCH,THERMOSTATIC.

What parts can replace 721856-17?

There are 2 known substitutes for 721856-17: 18002-21-185F, 18002-21WITHMOD2AAZA. Substitute compatibility should be verified for your specific system.

What is the NSN for 721856-17?

721856-17 is cataloged in the U.S. Government catalog under NSN 5930-00-797-1070. This indicates validated use in U.S. government and defense supply chains.

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