D-56539 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

D-56539: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include length: 0.322 INCHES NOMINAL IN, diameter: 0.123 INCHES NOMINAL IN, material: CARBON, body_style: CYLINDRICAL, corner_shape: SQUARE ALL CORNERS, overall_length: 4.0000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-072-6986, 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

D-56539

NSN: 3120-00-072-6986
NIINs: 000726986, 004885485, 013858767
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)

SPECIFICATIONS

length	0.322 INCHES NOMINAL IN
diameter	0.123 INCHES NOMINAL IN
material	CARBON
body_style	CYLINDRICAL
corner_shape	SQUARE ALL CORNERS
overall_length	4.0000 INCHES NOMINAL IN
surface_finish	125.0 MICROINCHES LEFT END SURFACE OF BODY
style_designator	ONE PIECE
contact_face_style	FLAT
body_inside_diameter	6.0000 INCHES MINIMUM AND 6.0010 INCHES MAXIMUM IN
body_outside_diameter	7.7490 INCHES MINIMUM AND 7.7500 INCHES MAXIMUM IN
largest_outside_diameter	0.125 INCHES NOMINAL IN
NSN	3120-00-072-6986

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY

•

CORNER SHAPE: SQUARE ALL CORNERS

•

BODY OUTSIDE DIAMETER: 7.7490 INCHES MINIMUM AND 7.7500 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: SEGMENTED, PLAIN, NO OUTSIDE FLANGES

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	125.0 MICROINCHES LEFT END SURFACE OF BODY
CORNER SHAPE	SQUARE ALL CORNERS
BODY OUTSIDE DIAMETER	7.7490 INCHES MINIMUM AND 7.7500 INCHES MAXIMUM IN
STYLE DESIGNATOR	SEGMENTED, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH	4.0000 INCHES NOMINAL IN
BODY INSIDE DIAMETER	6.0000 INCHES MINIMUM AND 6.0010 INCHES MAXIMUM IN
MATERIAL	TIN ALLOY UNS L13890 INNER LAYER

SUBSTITUTES & CROSS-REFERENCES 2

KD-395H U/LSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

D56539PC1T05Same 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)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is D-56539?

D-56539 is a BRUSH,ELECTRICAL CONTACT.

What parts can replace D-56539?

There are 2 known substitutes for D-56539: KD-395H U/L, D56539PC1T05. Substitute compatibility should be verified for your specific system.

What is the NSN for D-56539?

D-56539 is cataloged in the U.S. Government catalog under NSN 3120-00-072-6986. This indicates validated use in U.S. government and defense supply chains.

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D-56539 — BRUSH,ELECTRICAL CONTACT

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