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PartsTable / COMPONENT / 1C276
1C276 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The LOCKING DEVICE,CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include material: STEEL ILLUMINATION DIRECTING DEVICE, overall_width: 0.906 INCHES NOMINAL IN, overall_height: 3.219 INCHES NOMINAL IN, overall_length: 8.250 INCHES NOMINAL IN, features_provided: SWITCH, surface_treatment: PAINT BODY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-237-7791, 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
1C276
NSN: 6210-00-237-7791
FSC: 6210
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)
SPECIFICATIONS
materialSTEEL ILLUMINATION DIRECTING DEVICE
overall_width0.906 INCHES NOMINAL IN
overall_height3.219 INCHES NOMINAL IN
overall_length8.250 INCHES NOMINAL IN
features_providedSWITCH
surface_treatmentPAINT BODY
voltage_rating_in_volts115.0 AC NOMINAL AND 115.0 DC NOMINAL
wiring_provision_length66.0 INCHES NOMINAL SINGLE PROVISION IN
wiring_provision_methodCABLE
terminal_type_and_quantity1 CONNECTOR, PLUG
lamp_base_type_accommodatedMEDIUM SCREW
illumination_directing_device_typeSHADE
NSN6210-00-237-7791
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LOCKING DEVICE,CIRCUIT BREAKER TITLE COMPONENT PN 1C276 MFR LOCKING DEVICE,CIRCUIT
KEY FEATURES
•
ILLUMINATION DIRECTING DEVICE TYPE: SHADE
•
MATERIAL: STEEL BODY
•
WIRING PROVISION LENGTH: 66.0 INCHES NOMINAL SINGLE PROVISION IN
•
FEATURES PROVIDED: SWITCH
•
SURFACE TREATMENT: PAINT BODY
•
TERMINAL TYPE AND QUANTITY: 1 CONNECTOR, PLUG
TECHNICAL CHARACTERISTICS (FLIS)
ILLUMINATION DIRECTING DEVICE TYPESHADE
OVERALL HEIGHT3.219 INCHES NOMINAL IN
MATERIALSTEEL BODY
WIRING PROVISION LENGTH66.0 INCHES NOMINAL SINGLE PROVISION IN
MATERIALSTEEL ILLUMINATION DIRECTING DEVICE
FEATURES PROVIDEDSWITCH
SURFACE TREATMENTPAINT BODY
TERMINAL TYPE AND QUANTITY1 CONNECTOR, PLUG
WIRING PROVISION METHODCABLE
OVERALL WIDTH0.906 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
666-243-079REVBInterchangeable
interchangeable cross-reference
interchangeable
666243-079Interchangeable
interchangeable cross-reference
interchangeable
1C323Interchangeable
interchangeable cross-reference
interchangeable
44623-2PC69Interchangeable
interchangeable cross-reference
interchangeable
40254-1PC58Interchangeable
interchangeable cross-reference
interchangeable
24856PC23Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1C276?
1C276 is a LOCKING DEVICE,CIRCUIT BREAKER.
What parts can replace 1C276?
There are 15 known substitutes for 1C276: 666-243-079REVB, 666243-079, 1C323 and 12 more. Substitute compatibility should be verified for your specific system.
Is 1C276 still available?
1C276 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026