777887 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

777887: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.500 INCHES NOMINAL IN, length: 2.000 INCHES NOMINAL IN, radius: 2.500 INCHES NOMINAL IN, material: ELECTROGRAPHITIC, thickness: 1.750 INCHES NOMINAL IN, top_style: FLAT WITH BACK EDGE BEVELED. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-247-5356, 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

777887

NSN: 5977-00-247-5356
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)

SPECIFICATIONS

width	0.500 INCHES NOMINAL IN
length	2.000 INCHES NOMINAL IN
radius	2.500 INCHES NOMINAL IN
material	ELECTROGRAPHITIC
thickness	1.750 INCHES NOMINAL IN
top_style	FLAT WITH BACK EDGE BEVELED
body_style	RECTANGULAR SLIP RING
bevel_depth	0.188 INCHES NOMINAL IN
bevel_length	0.313 INCHES NOMINAL IN
style_designator	ONE PIECE
brush_shunt_length	5.000 INCHES NOMINAL SINGLE SHUNT IN
contact_face_style	CONCAVE
NSN	5977-00-247-5356

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH: 2.000 INCHES NOMINAL IN

•

BODY STYLE: RECTANGULAR SLIP RING

•

RADIUS: 2.500 INCHES NOMINAL IN

•

TERMINAL SLOT WIDTH: 0.281 INCHES NOMINAL IN

•

TOP STYLE: FLAT WITH BACK EDGE BEVELED

•

SHUNT POSITION DESIGNATOR: 4

•

STYLE DESIGNATOR: ONE PIECE

•

BEVEL DEPTH: 0.188 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

LENGTH	2.000 INCHES NOMINAL IN
BODY STYLE	RECTANGULAR SLIP RING
RADIUS	2.500 INCHES NOMINAL IN
TERMINAL SLOT WIDTH	0.281 INCHES NOMINAL IN
TOP STYLE	FLAT WITH BACK EDGE BEVELED
SHUNT POSITION DESIGNATOR	4
STYLE DESIGNATOR	ONE PIECE
BEVEL DEPTH	0.188 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	CARBONE CARBON GRADE WS86 MFR REF SINGLE MATERIAL RESPONSE
BRUSH SHUNT LENGTH	5.000 INCHES NOMINAL SINGLE SHUNT IN

OTHER ITEMS IN FSC 5977 — Electrical Contact Brushes and Electrodes

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5977-00-001-8018 5977-00-001-8867 5977-00-002-9654 5977-00-003-0257 5977-00-003-0258 5977-00-003-0264 5977-00-003-1196 5977-00-003-1197

SUBSTITUTES & CROSS-REFERENCES 3

M777887Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

11D7818ITEM7Reference document

Same NSN cross-reference

Reference document — Secondary reference

NEMA PUB CB1Reference document

Same NSN cross-reference

Reference document — Design control — primary 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 777887?

777887 is a BRUSH,ELECTRICAL CONTACT.

What parts can replace 777887?

There are 3 known substitutes for 777887: M777887, 11D7818ITEM7, NEMA PUB CB1. Substitute compatibility should be verified for your specific system.

What is the NSN for 777887?

777887 is cataloged in the U.S. Government catalog under NSN 5977-00-247-5356. This indicates validated use in U.S. government and defense supply chains.

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777887 — BRUSH,ELECTRICAL CONTACT

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