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188288 — RING,ELECTRICAL CONTACT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

188288: RING,ELECTRICAL CONTACT.

The RING,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include material: SILVER, overall_diameter: 3.188 INCHES NOMINAL IN, special_features: 0,234 IN. THK; CYLINDER SHAPE; LEAD MARK 9, LEAD 4.563 IN.

LG;FSC APPLICATION, GYRO COMPASS IN. This part is cataloged in the U.S. Government catalog under NSN 5977-00-503-9515, 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
188288
NSN: 5977-00-503-9515
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSILVER
overall_diameter3.188 INCHES NOMINAL IN
special_features0,234 IN. THK; CYLINDER SHAPE; LEAD MARK 9, LEAD 4.563 IN. LG;FSC APPLICATION, GYRO COMPASS IN
NSN5977-00-503-9515
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,ELECTRICAL CONTACT TITLE COMPONENT PN 188288 MFR RING,ELECTRICAL CONTAC
KEY FEATURES
•
OVERALL DIAMETER: 3.188 INCHES NOMINAL IN
•
MATERIAL: SILVER
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER3.188 INCHES NOMINAL IN
SPECIAL FEATURES0,234 IN. THK; CYLINDER SHAPE; LEAD MARK 9, LEAD 4.563 IN. LG;FSC APPLICATION, GYRO COMPASS IN
MATERIALSILVER
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 188288?
188288 is a RING,ELECTRICAL CONTACT.
What is the NSN for 188288?
188288 is cataloged in the U.S. Government catalog under NSN 5977-00-503-9515. 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.