66428 — CIRCUIT BREAKER

✓ Government record, cited

Hama · MRO · MRO_GENERAL

PRODUCT OVERVIEW

66428: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a Hama industrial component. Key specifications include material: STEEL OUTER LAYER, body_style: SINGLE POLE TYPE, corner_shape: SQUARE INSIDE RIGHT CORNER, overall_length: 0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.2340 INCHES MINIMUM AND 1.2360 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-353-9354, 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→ 66428

NSN: 3120-00-353-9354
NIINs: 003539354, 012727451, 016499038
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 15434 — CUMMINS INC. (USA)

SPECIFICATIONS

material	STEEL OUTER LAYER
body_style	SINGLE POLE TYPE
corner_shape	SQUARE INSIDE RIGHT CORNER
pole_quantity	1
overall_length	0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
style_designator	SOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter	1.2340 INCHES MINIMUM AND 1.2360 INCHES MAXIMUM IN
body_outside_diameter	1.4370 INCHES MINIMUM AND 1.4380 INCHES MAXIMUM IN
end_item_identification	6115-01-591-1161 GENERATOR,HEATING AND AIR CONDITIONER
terminal_type_and_quantity	2 THREADED STUD
manual_actuator_type_and_quantity	1 TOGGLE
material_document_and_classification	SE 794 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 799 ASSN STD SINGLE MATERIAL RESPONSE INNER LAYER
NSN	3120-00-353-9354

COMPONENT DIAGRAM

KEY FEATURES

•

CORNER SHAPE: SQUARE INSIDE RIGHT CORNER

•

BODY OUTSIDE DIAMETER: 1.4370 INCHES MINIMUM AND 1.4380 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES

•

MATERIAL DOCUMENT AND CLASSIFICATION: SE 794 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 799 ASSN STD SINGLE MATERIAL RESPONSE INNER LAYER

TECHNICAL CHARACTERISTICS

CORNER SHAPE	SQUARE INSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE INSIDE LEFT CORNER
CORNER SHAPE	CHAMFERED OUTSIDE LEFT CORNER
BODY OUTSIDE DIAMETER	1.4370 INCHES MINIMUM AND 1.4380 INCHES MAXIMUM IN
STYLE DESIGNATOR	SOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATION	SE 794 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 799 ASSN STD SINGLE MATERIAL RESPONSE INNER LAYER
OVERALL LENGTH	0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
BODY INSIDE DIAMETER	1.2340 INCHES MINIMUM AND 1.2360 INCHES MAXIMUM IN
MATERIAL	STEEL OUTER LAYER

SUBSTITUTES & CROSS-REFERENCES 1

34-66428Reference 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 66428?

66428 is a CIRCUIT BREAKER manufactured by Hama. It is classified as a MRO (MRO_GENERAL).

What parts can replace 66428?

There is 1 known substitute for 66428: 34-66428. Substitute compatibility should be verified for your specific system.

What is the NSN for 66428?

66428 is cataloged in the U.S. Government catalog under NSN 3120-00-353-9354. This indicates validated use in U.S. government and defense supply chains.

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