M39019/2-321 — CIRCUIT BREAKER

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

M39019/2-321: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include body_style: SINGLE POLE TYPE, body_width: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, body_length: 1.531 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN, reset_method: MANUAL, storage_type: GENERAL PURPOSE WAREHOUSE, bushing_length: 0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5925-01-156-8549, 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→ M39019/2-321

NSN: 5925-01-156-8549
FSC: 5925 — Circuit Breakers
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

body_style	SINGLE POLE TYPE
body_width	0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
body_length	1.531 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN
reset_method	MANUAL
storage_type	GENERAL PURPOSE WAREHOUSE
pole_quantity	1
bushing_length	0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
fragility_factor	MODERATELY RUGGED
actuator_function	TRIP-RESET
features_provided	HIGH INRUSH PROTECTION
frequency_in_hertz	400.0 SINGLE LOCATION
nominal_thread_size	0.375 INCHES IN
NSN	5925-01-156-8549

COMPONENT DIAGRAM

KEY FEATURES

•

BUSHING LENGTH: 0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN

•

RESET METHOD: MANUAL

•

INTERNAL TRIP RELEASE CONFIGURATION: SERIES TRIP SINGLE LOCATION

•

OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS: 240.0 AC AND 50.0 DC SINGLE LOCATION

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED BUSHING WITH PANEL SEAL

•

ACTUATOR POSITION DESIGNATION: AT POLE ONE

•

SWITCH TERMINAL TYPE: TAB, SOLDER LUG

•

FREQUENCY IN HERTZ: 400.0 SINGLE LOCATION

TECHNICAL CHARACTERISTICS

BUSHING LENGTH	0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
RESET METHOD	MANUAL
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC AND 50.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING WITH PANEL SEAL
ACTUATOR POSITION DESIGNATION	AT POLE ONE
SWITCH TERMINAL TYPE	TAB, SOLDER LUG
FREQUENCY IN HERTZ	400.0 SINGLE LOCATION
UNPACKAGED UNIT WEIGHT	50.0 GRAMS NOMINAL G
FRAGILITY FACTOR	MODERATELY RUGGED

OTHER ITEMS IN FSC 5925 — Circuit Breakers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5925-00-001-1277 5925-00-001-2809 5925-00-001-3838 5925-00-001-5748 5925-00-001-5926 5925-00-001-5938 5925-00-001-5942 5925-00-001-5977

SUBSTITUTES & CROSS-REFERENCES 6

352250042477Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

M39019/02-321Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

4116000-243Reference document

Same NSN cross-reference

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

MIL-C-39019/2Reference document

Same NSN cross-reference

Reference document — Secondary reference

MIL-PRF-39019/2Reference document

Same NSN cross-reference

Reference document — Identification reference

ASC1562873Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 M39019/2-321?

M39019/2-321 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).

What parts can replace M39019/2-321?

There are 6 known substitutes for M39019/2-321: 352250042477, M39019/02-321, 4116000-243 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for M39019/2-321?

M39019/2-321 is cataloged in the U.S. Government catalog under NSN 5925-01-156-8549. This indicates validated use in U.S. government and defense supply chains.

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