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911D591G04 — RING,ELECTRICAL CONTACT BRUSH HO

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

911D591G04: RING,ELECTRICAL CONTACT BRUSH HO.

RING,ELECTRICAL CONTACT BRUSH HO. Key specifications include shape: CYLINDRICAL, material: PLASTIC, overall_diameter: 8.625 INCHES NOMINAL IN, overall_thickness: 2.953 INCHES NOMINAL IN, mounting_configuration: 2 MTG SLOTS 25/64 IN. W BY 1-1/4 IN.

LG SPACED 180 DEG APART IN. This part is cataloged in the U.S. Government catalog under NSN 5977-00-665-2812, 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
911D591G04
NSN: 5977-00-665-2812
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
shapeCYLINDRICAL
materialPLASTIC
overall_diameter8.625 INCHES NOMINAL IN
overall_thickness2.953 INCHES NOMINAL IN
mounting_configuration2 MTG SLOTS 25/64 IN. W BY 1-1/4 IN. LG SPACED 180 DEG APART IN
NSN5977-00-665-2812
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,ELECTRICAL CONTACT BRUSH HO TITLE COMPONENT PN 911D591G04 MFR RING,ELECTRICAL CONTAC
KEY FEATURES
•
OVERALL DIAMETER: 8.625 INCHES NOMINAL IN
•
OVERALL THICKNESS: 2.953 INCHES NOMINAL IN
•
SHAPE: CYLINDRICAL
•
MOUNTING CONFIGURATION: 2 MTG SLOTS 25/64 IN. W BY 1-1/4 IN. LG SPACED 180 DEG APART IN
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER8.625 INCHES NOMINAL IN
OVERALL THICKNESS2.953 INCHES NOMINAL IN
SHAPECYLINDRICAL
MOUNTING CONFIGURATION2 MTG SLOTS 25/64 IN. W BY 1-1/4 IN. LG SPACED 180 DEG APART IN
MATERIALPLASTIC
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 1
7B134Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 911D591G04?
911D591G04 is a RING,ELECTRICAL CONTACT BRUSH HO.
What parts can replace 911D591G04?
There is 1 known substitute for 911D591G04: 7B134. Substitute compatibility should be verified for your specific system.
What is the NSN for 911D591G04?
911D591G04 is cataloged in the U.S. Government catalog under NSN 5977-00-665-2812. 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.