721857-24 — SWITCH,THERMOSTATIC

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

721857-24: SWITCH,THERMOSTATIC.

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include body_height: 0.358 INCHES NOMINAL IN, body_diameter: 0.640 INCHES MAXIMUM IN, terminal_type: TAB, SOLDER LUG, overall_height: 0.669 INCHES NOMINAL IN, mounting_method: BRACKET(S) AND UNTHREADED HOLE(S) AND SLOT, mounting_slot_width: 0.143 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-121-7662, 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

721857-24

NSN: 5930-01-121-7662
FSC: 5930 — Switches
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)

SPECIFICATIONS

body_height	0.358 INCHES NOMINAL IN
body_diameter	0.640 INCHES MAXIMUM IN
terminal_type	TAB, SOLDER LUG
overall_height	0.669 INCHES NOMINAL IN
mounting_method	BRACKET(S) AND UNTHREADED HOLE(S) AND SLOT
mounting_slot_width	0.143 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN
contact_adjustability	DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
operating_temp_rating	71.0 CELSIUS MAXIMUM AND -54.0 CELSIUS MINIMUM DEGC
contact_action_stimulus	INCREASE
end_item_identification	OE236DELTA81
media_for_which_designed	GAS OR LIQUID
mounting_facility_pattern	TWO POSITION IN-LINE
NSN	5930-01-121-7662

COMPONENT DIAGRAM

KEY FEATURES

•

BODY DIAMETER: 0.640 INCHES MAXIMUM IN

•

CONTACT ACTION STIMULUS: INCREASE

•

TERMINAL TYPE: TAB, SOLDER LUG

•

MOUNTING FACILITY PATTERN: TWO POSITION IN-LINE

•

CONTACT LOAD CURRENT RATING: 2.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE

•

MOUNTING METHOD: BRACKET(S) AND UNTHREADED HOLE(S) AND SLOT

TECHNICAL CHARACTERISTICS

BODY DIAMETER	0.640 INCHES MAXIMUM IN
OVERALL HEIGHT	0.669 INCHES NOMINAL IN
CONTACT ACTION STIMULUS	INCREASE
TERMINAL TYPE	TAB, SOLDER LUG
MOUNTING FACILITY PATTERN	TWO POSITION IN-LINE
CONTACT LOAD CURRENT RATING	2.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
CONTACT LOAD CURRENT RATING	2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
MOUNTING METHOD	BRACKET(S) AND UNTHREADED HOLE(S) AND SLOT
BODY HEIGHT	0.358 INCHES NOMINAL IN
UNTHREADED MOUNTING HOLE DIAMETER	0.137 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN

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

5BTF5-33Reference document

Same NSN cross-reference

Reference document — Secondary reference

5BT5-33Same 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)Demilitarization required — mutilation

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FREQUENTLY ASKED QUESTIONS

What is 721857-24?

721857-24 is a SWITCH,THERMOSTATIC.

What parts can replace 721857-24?

There are 2 known substitutes for 721857-24: 5BTF5-33, 5BT5-33. Substitute compatibility should be verified for your specific system.

What is the NSN for 721857-24?

721857-24 is cataloged in the U.S. Government catalog under NSN 5930-01-121-7662. This indicates validated use in U.S. government and defense supply chains.

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