657904 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

657904: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.250 INCHES NOMINAL IN, length: 0.438 INCHES NOMINAL IN, material: ELECTROGRAPHITIC, thickness: 0.188 INCHES NOMINAL IN, body_style: RECTANGULAR COMMUTATOR, style_designator: ONE PIECE. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-284-6721, 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

657904

NSN: 5977-00-284-6721
NIINs: 002846721, 012770292, 014911804
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 12436 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DIV BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION INC (USA)

SPECIFICATIONS

width	0.250 INCHES NOMINAL IN
length	0.438 INCHES NOMINAL IN
material	ELECTROGRAPHITIC
thickness	0.188 INCHES NOMINAL IN
body_style	RECTANGULAR COMMUTATOR
style_designator	ONE PIECE
brush_shunt_length	0.750 INCHES NOMINAL SINGLE SHUNT IN
contact_face_style	FLAT
end_item_identification	BOB CAT 853
shunt_position_designator	5
terminal_type_and_quantity	1 ROUND CAP
pressure_spring_type_and_quantity	1 CYLINDRICAL
NSN	5977-00-284-6721

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH: 0.438 INCHES NOMINAL IN

•

BODY STYLE: RECTANGULAR COMMUTATOR

•

SHUNT POSITION DESIGNATOR: 5

•

STYLE DESIGNATOR: ONE PIECE

•

MATERIAL DOCUMENT AND CLASSIFICATION: STACKPOLE CARBON CO,GRADE 52 MFR REF SINGLE MATERIAL RESPONSE

•

PRESSURE SPRING TYPE AND QUANTITY: 1 CYLINDRICAL

•

BRUSH SHUNT LENGTH: 0.750 INCHES NOMINAL SINGLE SHUNT IN

•

CONTACT FACE STYLE: FLAT

TECHNICAL CHARACTERISTICS

LENGTH	0.438 INCHES NOMINAL IN
BODY STYLE	RECTANGULAR COMMUTATOR
SHUNT POSITION DESIGNATOR	5
STYLE DESIGNATOR	ONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATION	STACKPOLE CARBON CO,GRADE 52 MFR REF SINGLE MATERIAL RESPONSE
PRESSURE SPRING TYPE AND QUANTITY	1 CYLINDRICAL
BRUSH SHUNT LENGTH	0.750 INCHES NOMINAL SINGLE SHUNT IN
CONTACT FACE STYLE	FLAT
SHUNT INSULATION PROVISION AND QUANTITY	1 UNINSULATED
WIDTH	0.250 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 3

A9370Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

A9369Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

234-0488-00AND234-0489-00Reference 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 657904?

657904 is a BRUSH,ELECTRICAL CONTACT.

What parts can replace 657904?

There are 3 known substitutes for 657904: A9370, A9369, 234-0488-00AND234-0489-00. Substitute compatibility should be verified for your specific system.

What is the NSN for 657904?

657904 is cataloged in the U.S. Government catalog under NSN 5977-00-284-6721. This indicates validated use in U.S. government and defense supply chains.

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657904 — BRUSH,ELECTRICAL CONTACT

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