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219646-1GRF89 — BRUSH,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

219646-1GRF89: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include width: 0.750 INCHES NOMINAL IN, length: 1.188 INCHES NOMINAL IN, material: ELECTROGRAPHITIC, thickness: 0.313 INCHES NOMINAL IN, top_style: FLAT WITH LEFT AND RIGHT EDGE BEVELED, body_style: RECTANGULAR COMMUTATOR. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-752-2021, 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
219646-1GRF89
NSN: 5977-00-752-2021
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
width0.750 INCHES NOMINAL IN
length1.188 INCHES NOMINAL IN
materialELECTROGRAPHITIC
thickness0.313 INCHES NOMINAL IN
top_styleFLAT WITH LEFT AND RIGHT EDGE BEVELED
body_styleRECTANGULAR COMMUTATOR
bevel_depth0.156 INCHES NOMINAL IN
bevel_length0.156 INCHES NOMINAL IN
special_featuresCONVEX SLOT ON TOP; INSULATION BANDED BOTH ENDS
style_designatorONE PIECE
brush_shunt_length2.250 INCHES NOMINAL SINGLE SHUNT IN
contact_face_styleFLAT
NSN5977-00-752-2021
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRUSH,ELECTRICAL CONTACT TITLE COMPONENT PN 219646-1GRF89 MFR BRUSH,ELECTRICAL CONTA
KEY FEATURES
•
LENGTH: 1.188 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR COMMUTATOR
•
TERMINAL SLOT WIDTH: 0.188 INCHES NOMINAL IN
•
TOP STYLE: FLAT WITH LEFT AND RIGHT EDGE BEVELED
•
SHUNT POSITION DESIGNATOR: 2
•
STYLE DESIGNATOR: ONE PIECE
•
BEVEL DEPTH: 0.156 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: NATIONAL GRADE F89 MFR REF SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
LENGTH1.188 INCHES NOMINAL IN
BODY STYLERECTANGULAR COMMUTATOR
TERMINAL SLOT WIDTH0.188 INCHES NOMINAL IN
TOP STYLEFLAT WITH LEFT AND RIGHT EDGE BEVELED
SHUNT POSITION DESIGNATOR2
STYLE DESIGNATORONE PIECE
BEVEL DEPTH0.156 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONNATIONAL GRADE F89 MFR REF SINGLE MATERIAL RESPONSE
BRUSH SHUNT LENGTH2.250 INCHES NOMINAL SINGLE SHUNT IN
CONTACT FACE STYLEFLAT
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 6
219646-1GPF89Reference document
Same NSN cross-reference
Reference document — Secondary reference
RC10-2402Reference document
Same NSN cross-reference
Reference document — Secondary reference
NEMA PUB CB1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
63000900Reference document
Same NSN cross-reference
Reference document — Secondary reference
MILB003743Reference document
Same NSN cross-reference
Reference document — Identification reference
S1102438I402Reference 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 219646-1GRF89?
219646-1GRF89 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace 219646-1GRF89?
There are 6 known substitutes for 219646-1GRF89: 219646-1GPF89, RC10-2402, NEMA PUB CB1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 219646-1GRF89?
219646-1GRF89 is cataloged in the U.S. Government catalog under NSN 5977-00-752-2021. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.