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B2150108 — RING ASSEMBLY,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B2150108: RING ASSEMBLY,ELECTRICAL CONTACT.

RING ASSEMBLY,ELECTRICAL CONTACT. Key specifications include width: 0.312 INCHES NOMINAL IN, diameter: 3.970 INCHES NOMINAL IN, overall_height: 1.688 INCHES NOMINAL IN, overall_diameter: 4.125 INCHES NOMINAL IN, mounting_configuration: THREE HOLES 0.125 IN. DIA EQUALLY SPACED IN.

This part is cataloged in the U.S. Government catalog under NSN 5977-00-259-8219, 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
B2150108
NSN: 5977-00-259-8219
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 28527 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
width0.312 INCHES NOMINAL IN
diameter3.970 INCHES NOMINAL IN
brush_quantity4
overall_height1.688 INCHES NOMINAL IN
overall_diameter4.125 INCHES NOMINAL IN
brush_holder_quantity1
contact_ring_quantity4
mounting_configurationTHREE HOLES 0.125 IN. DIA EQUALLY SPACED IN
brush_quantity_accommodated_per_holder4
NSN5977-00-259-8219
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING ASSEMBLY,ELECTRICAL CONTACT TITLE COMPONENT PN B2150108 MFR RING ASSEMBLY,ELECTRIC
KEY FEATURES
•
BRUSH QUANTITY: 4
•
BRUSH HOLDER QUANTITY: 1
•
OVERALL DIAMETER: 4.125 INCHES NOMINAL IN
•
DIAMETER: 3.970 INCHES NOMINAL IN
•
BRUSH QUANTITY ACCOMMODATED PER HOLDER: 4
•
MOUNTING CONFIGURATION: THREE HOLES 0.125 IN. DIA EQUALLY SPACED IN
•
WIDTH: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BRUSH QUANTITY4
OVERALL HEIGHT1.688 INCHES NOMINAL IN
BRUSH HOLDER QUANTITY1
OVERALL DIAMETER4.125 INCHES NOMINAL IN
DIAMETER3.970 INCHES NOMINAL IN
BRUSH QUANTITY ACCOMMODATED PER HOLDER4
MOUNTING CONFIGURATIONTHREE HOLES 0.125 IN. DIA EQUALLY SPACED IN
WIDTH0.312 INCHES NOMINAL IN
CONTACT RING QUANTITY4
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B2150108?
B2150108 is a RING ASSEMBLY,ELECTRICAL CONTACT.
What is the NSN for B2150108?
B2150108 is cataloged in the U.S. Government catalog under NSN 5977-00-259-8219. 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.