MX167991-3 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

MX167991-3: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.375 INCHES NOMINAL IN, length: 0.687 INCHES NOMINAL IN, radius: 0.437 INCHES NOMINAL IN, material: CARBON, thickness: 0.250 INCHES NOMINAL IN, body_style: RECTANGULAR COMMUTATOR. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-296-2499, 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

MX167991-3

NSN: 5977-00-296-2499
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 49671 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV LOCKHEED MARTIN (USA)

SPECIFICATIONS

width	0.375 INCHES NOMINAL IN
length	0.687 INCHES NOMINAL IN
radius	0.437 INCHES NOMINAL IN
material	CARBON
thickness	0.250 INCHES NOMINAL IN
body_style	RECTANGULAR COMMUTATOR
style_designator	ONE PIECE
terminal_diameter	0.500 INCHES NOMINAL IN
brush_shunt_length	0.837 INCHES NOMINAL SINGLE SHUNT IN
contact_face_style	CONCAVE
spring_free_length	0.812 INCHES NOMINAL IN
largest_outside_diameter	0.310 INCHES NOMINAL IN
NSN	5977-00-296-2499

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH: 0.687 INCHES NOMINAL IN

•

TERMINAL DIAMETER: 0.500 INCHES NOMINAL IN

•

LARGEST OUTSIDE DIAMETER: 0.310 INCHES NOMINAL IN

•

BODY STYLE: RECTANGULAR COMMUTATOR

•

RADIUS: 0.437 INCHES NOMINAL IN

•

SHUNT POSITION DESIGNATOR: 5

•

STYLE DESIGNATOR: ONE PIECE

•

MATERIAL DOCUMENT AND CLASSIFICATION: NATIONAL CARBON CO GRADE ALP MFR REF SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

LENGTH	0.687 INCHES NOMINAL IN
TERMINAL DIAMETER	0.500 INCHES NOMINAL IN
LARGEST OUTSIDE DIAMETER	0.310 INCHES NOMINAL IN
BODY STYLE	RECTANGULAR COMMUTATOR
RADIUS	0.437 INCHES NOMINAL IN
SHUNT POSITION DESIGNATOR	5
STYLE DESIGNATOR	ONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATION	NATIONAL CARBON CO GRADE ALP MFR REF SINGLE MATERIAL RESPONSE
SPRING FREE LENGTH	0.812 INCHES NOMINAL IN
PRESSURE SPRING TYPE AND QUANTITY	1 CYLINDRICAL

SUBSTITUTES & CROSS-REFERENCES 5

B463514-3Reference document

Same NSN cross-reference

Reference document — Secondary reference

463514-3Reference document

Same NSN cross-reference

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

A25566Reference document

Same NSN cross-reference

Reference document — Secondary reference

167991-4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

A25566-1Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MX167991-3?

MX167991-3 is a BRUSH,ELECTRICAL CONTACT.

What parts can replace MX167991-3?

There are 5 known substitutes for MX167991-3: B463514-3, 463514-3, A25566 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MX167991-3?

MX167991-3 is cataloged in the U.S. Government catalog under NSN 5977-00-296-2499. This indicates validated use in U.S. government and defense supply chains.

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