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GC860DM18B1 — COVER,ELECTRICAL CONNECTOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

GC860DM18B1: COVER,ELECTRICAL CONNECTOR.

The COVER,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include seal_type: GASKETGASKET, body_height: 0.865 INCHES MINIMUM AND 0.865 INCHES MINIMUM AND 0.915 INCHES MAXIMUM0.915 INCHES MAXIMUM IN, overall_diameter: 1.455 INCHES MINIMUM AND 1.455 INCHES MINIMUM AND 1.469 INCHES MAXIMUM1.469 INCHES MAXIMUM IN, size_designation: 1818, style_designator: INTERNAL BAYONET W/CHAIN OR ROPEINTERNAL BAYONET W/CHAIN OR ROPE, surface_treatment: NICKELNICKEL. This part is cataloged in the U.S.

Government catalog under NSN 5935-00-603-9199, 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
GC860DM18B1
NSN: 5935-00-603-9199
FSC: 5935 — Connectors, Electrical
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
seal_typeGASKETGASKET
body_height0.865 INCHES MINIMUM AND 0.865 INCHES MINIMUM AND 0.915 INCHES MAXIMUM0.915 INCHES MAXIMUM IN
overall_diameter1.455 INCHES MINIMUM AND 1.455 INCHES MINIMUM AND 1.469 INCHES MAXIMUM1.469 INCHES MAXIMUM IN
size_designation1818
style_designatorINTERNAL BAYONET W/CHAIN OR ROPEINTERNAL BAYONET W/CHAIN OR ROPE
surface_treatmentNICKELNICKEL
mounting_facility_type_and_quantity1 BAYONET LOCK1 BAYONET LOCK
surface_treatment_document_and_classificationMIL-C-26074A CLASS 3 GRADE 4 MIL SPEC SINGLE TREATMENT RESPONSEMIL-C-26074A CLASS 3 GRADE 4 MIL SPEC SINGLE TREATMENT RESPONSE A
NSN5935-00-603-9199
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,ELECTRICAL CONNECTOR TITLE COMPONENT PN GC860DM18B1 MFR COVER,ELECTRICAL CONNE
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 BAYONET LOCK1 BAYONET LOCK
•
SEAL TYPE: GASKETGASKET
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-26074A CLASS 3 GRADE 4 MIL SPEC SINGLE TREATMENT RESPONSEMIL-C-26074A CLASS 3 GRADE 4 MIL SPEC SINGLE TREATMENT RESPONSE A
•
OVERALL DIAMETER: 1.455 INCHES MINIMUM AND 1.455 INCHES MINIMUM AND 1.469 INCHES MAXIMUM1.469 INCHES MAXIMUM IN
•
BODY HEIGHT: 0.865 INCHES MINIMUM AND 0.865 INCHES MINIMUM AND 0.915 INCHES MAXIMUM0.915 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: INTERNAL BAYONET W/CHAIN OR ROPEINTERNAL BAYONET W/CHAIN OR ROPE
•
SIZE DESIGNATION: 1818
•
SURFACE TREATMENT: NICKELNICKEL
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 BAYONET LOCK1 BAYONET LOCK
SEAL TYPEGASKETGASKET
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-26074A CLASS 3 GRADE 4 MIL SPEC SINGLE TREATMENT RESPONSEMIL-C-26074A CLASS 3 GRADE 4 MIL SPEC SINGLE TREATMENT RESPONSE A
OVERALL DIAMETER1.455 INCHES MINIMUM AND 1.455 INCHES MINIMUM AND 1.469 INCHES MAXIMUM1.469 INCHES MAXIMUM IN
BODY HEIGHT0.865 INCHES MINIMUM AND 0.865 INCHES MINIMUM AND 0.915 INCHES MAXIMUM0.915 INCHES MAXIMUM IN
STYLE DESIGNATORINTERNAL BAYONET W/CHAIN OR ROPEINTERNAL BAYONET W/CHAIN OR ROPE
SIZE DESIGNATION1818
SURFACE TREATMENTNICKELNICKEL
OTHER ITEMS IN FSC 5935 — Connectors, Electrical
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5935-00-000-8180 5935-00-001-1344 5935-00-001-1347 5935-00-001-1350 5935-00-001-1351 5935-00-001-1353 5935-00-001-1627 5935-00-001-1628
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 GC860DM18B1?
GC860DM18B1 is a COVER,ELECTRICAL CONNECTOR.
What is the NSN for GC860DM18B1?
GC860DM18B1 is cataloged in the U.S. Government catalog under NSN 5935-00-603-9199. 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.