S220770 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

S220770: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 1.250 INCHES NOMINAL IN, length: 1.750 INCHES NOMINAL IN, material: ELECTROGRAPHITIC, thickness: 0.500 INCHES NOMINAL IN, top_style: CONVEX ON BEVEL, body_style: RECTANGULAR COMMUTATOR. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-388-0579, 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

S220770

NSN: 5977-00-388-0579
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)

SPECIFICATIONS

width	1.250 INCHES NOMINAL IN
length	1.750 INCHES NOMINAL IN
material	ELECTROGRAPHITIC
thickness	0.500 INCHES NOMINAL IN
top_style	CONVEX ON BEVEL
body_style	RECTANGULAR COMMUTATOR
style_designator	ONE PIECE
brush_shunt_length	3.000 INCHES NOMINAL SINGLE SHUNT IN
contact_face_style	FLAT
terminal_slot_width	0.188 INCHES NOMINAL IN
shunt_position_designator	2
terminal_type_and_quantity	1 STRAIGHT W/SLOT
NSN	5977-00-388-0579

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH: 1.750 INCHES NOMINAL IN

•

BODY STYLE: RECTANGULAR COMMUTATOR

•

TERMINAL SLOT WIDTH: 0.188 INCHES NOMINAL IN

•

TOP STYLE: CONVEX ON BEVEL

•

SHUNT POSITION DESIGNATOR: 2

•

STYLE DESIGNATOR: ONE PIECE

•

MATERIAL DOCUMENT AND CLASSIFICATION: STACKPOLE CARBON CO,GR WQ11 MFR REF SINGLE MATERIAL RESPONSE

•

BRUSH SHUNT LENGTH: 3.000 INCHES NOMINAL SINGLE SHUNT IN

TECHNICAL CHARACTERISTICS

LENGTH	1.750 INCHES NOMINAL IN
BODY STYLE	RECTANGULAR COMMUTATOR
TERMINAL SLOT WIDTH	0.188 INCHES NOMINAL IN
TOP STYLE	CONVEX ON BEVEL
SHUNT POSITION DESIGNATOR	2
STYLE DESIGNATOR	ONE PIECE
MATERIAL DOCUMENT AND CLASSIFICATION	STACKPOLE CARBON CO,GR WQ11 MFR REF SINGLE MATERIAL RESPONSE
BRUSH SHUNT LENGTH	3.000 INCHES NOMINAL SINGLE SHUNT IN
CONTACT FACE STYLE	FLAT
SHUNT INSULATION PROVISION AND QUANTITY	1 UNINSULATED

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

33J151PC21Reference document

Same NSN cross-reference

Reference document — Secondary reference

MILB3743Reference document

Same NSN cross-reference

Reference document — Identification reference

ANSI/NEMA PUB NO. CB1Reference document

Same NSN cross-reference

Reference document — Secondary 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 S220770?

S220770 is a BRUSH,ELECTRICAL CONTACT.

What parts can replace S220770?

There are 3 known substitutes for S220770: 33J151PC21, MILB3743, ANSI/NEMA PUB NO. CB1. Substitute compatibility should be verified for your specific system.

What is the NSN for S220770?

S220770 is cataloged in the U.S. Government catalog under NSN 5977-00-388-0579. This indicates validated use in U.S. government and defense supply chains.

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