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33C29-1 — RING ASSEMBLY,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

33C29-1: RING ASSEMBLY,ELECTRICAL CONTACT.

RING ASSEMBLY,ELECTRICAL CONTACT. Key specifications include width: 0.375 INCHES NOMINAL IN, diameter: 6.781 INCHES NOMINAL IN, overall_length: 1.969 INCHES NOMINAL IN, overall_diameter: 6.781 INCHES NOMINAL IN, mounting_configuration: 2.755 IN. DIA CENTER MTG HOLE W/0.376 IN.

KEYWAY IN, end_item_identification: MODEL NO. 99C13. This part is cataloged in the U.S.

Government catalog under NSN 5977-00-028-6853, 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
33C29-1
NSN: 5977-00-028-6853
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
width0.375 INCHES NOMINAL IN
diameter6.781 INCHES NOMINAL IN
overall_length1.969 INCHES NOMINAL IN
overall_diameter6.781 INCHES NOMINAL IN
contact_ring_quantity2
mounting_configuration2.755 IN. DIA CENTER MTG HOLE W/0.376 IN. KEYWAY IN
end_item_identificationMODEL NO. 99C13
NSN5977-00-028-6853
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING ASSEMBLY,ELECTRICAL CONTACT TITLE COMPONENT PN 33C29-1 MFR RING ASSEMBLY,ELECTRIC
KEY FEATURES
•
OVERALL DIAMETER: 6.781 INCHES NOMINAL IN
•
DIAMETER: 6.781 INCHES NOMINAL IN
•
MOUNTING CONFIGURATION: 2.755 IN. DIA CENTER MTG HOLE W/0.376 IN. KEYWAY IN
•
WIDTH: 0.375 INCHES NOMINAL IN
•
CONTACT RING QUANTITY: 2
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER6.781 INCHES NOMINAL IN
DIAMETER6.781 INCHES NOMINAL IN
OVERALL LENGTH1.969 INCHES NOMINAL IN
MOUNTING CONFIGURATION2.755 IN. DIA CENTER MTG HOLE W/0.376 IN. KEYWAY IN
WIDTH0.375 INCHES NOMINAL IN
END ITEM IDENTIFICATIONMODEL NO. 99C13
CONTACT RING QUANTITY2
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
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 33C29-1?
33C29-1 is a RING ASSEMBLY,ELECTRICAL CONTACT.
What is the NSN for 33C29-1?
33C29-1 is cataloged in the U.S. Government catalog under NSN 5977-00-028-6853. 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.