139266 — CIRCUIT BREAKER

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

139266: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include material: ASBESTOS OVERALL, hole_diameter: 0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 5.250 INCHES NOMINAL IN, overall_length: 5.250 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 4.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-190-4230, 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→ 139266

NSN: 5330-00-190-4230
NIINs: 001904230, 014474153
FSC: 5330 — Packing and Gasket Materials
CAGE: 15434 — CUMMINS INC. (USA)

SPECIFICATIONS

material	ASBESTOS OVERALL
hole_diameter	0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width	5.250 INCHES NOMINAL IN
pole_quantity	1
overall_length	5.250 INCHES NOMINAL IN
style_designator	NON-CIRCULAR
aperture_diameter	4.125 INCHES NOMINAL IN
bolt_hole_quantity	4
outside_corner_radius	0.562 INCHES NOMINAL IN
cross-sectional_thickness	0.094 INCHES NOMINAL IN
cross-sectional_shape_style	METAL AND NONMETALLIC MATERIALS
material_document_and_classification	MIL-G-12803 +1301-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5330-00-190-4230

COMPONENT DIAGRAM

KEY FEATURES

•

CROSS-SECTIONAL THICKNESS: 0.094 INCHES NOMINAL IN

•

STYLE DESIGNATOR: NON-CIRCULAR

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803 +1301-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: METAL AND NONMETALLIC MATERIALS

•

APERTURE DIAMETER: 4.125 INCHES NOMINAL IN

•

BOLT HOLE QUANTITY: 4

TECHNICAL CHARACTERISTICS

CROSS-SECTIONAL THICKNESS	0.094 INCHES NOMINAL IN
STYLE DESIGNATOR	NON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-12803 +1301-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH	5.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE	METAL AND NONMETALLIC MATERIALS
OVERALL WIDTH	5.250 INCHES NOMINAL IN
APERTURE DIAMETER	4.125 INCHES NOMINAL IN
BOLT HOLE QUANTITY	4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH	4.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH	4.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN

SUBSTITUTES & CROSS-REFERENCES 4

R5091-3Reference document

Same NSN cross-reference

Reference document — Secondary reference

A52-1160Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

14500KSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

R5091Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 139266?

139266 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).

What parts can replace 139266?

There are 4 known substitutes for 139266: R5091-3, A52-1160, 14500K and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 139266?

139266 is cataloged in the U.S. Government catalog under NSN 5330-00-190-4230. This indicates validated use in U.S. government and defense supply chains.

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