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SM-B-186938 — COVER,ELECTRICAL SWITCH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

SM-B-186938: COVER,ELECTRICAL SWITCH.

The COVER,ELECTRICAL SWITCH is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, body_width: 1.219 INCHES NOMINAL IN, body_height: 1.250 INCHES NOMINAL IN, body_length: 2.187 INCHES NOMINAL IN, surface_treatment: NICKEL, mounting_configuration: ONE 0.160 IN. DIA AND ONE 0.175 IN.

DIA MTG HOLE IN. This part is cataloged in the U.S. Government catalog under NSN 5930-00-581-2512, 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
SM-B-186938
NSN: 5930-00-581-2512
FSC: 5930 — Switches
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_width1.219 INCHES NOMINAL IN
body_height1.250 INCHES NOMINAL IN
body_length2.187 INCHES NOMINAL IN
surface_treatmentNICKEL
mounting_configurationONE 0.160 IN. DIA AND ONE 0.175 IN. DIA MTG HOLE IN
NSN5930-00-581-2512
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,ELECTRICAL SWITCH TITLE COMPONENT PN SM-B-186938 MFR COVER,ELECTRICAL SWITC
KEY FEATURES
•
BODY WIDTH: 1.219 INCHES NOMINAL IN
•
BODY HEIGHT: 1.250 INCHES NOMINAL IN
•
BODY LENGTH: 2.187 INCHES NOMINAL IN
•
SURFACE TREATMENT: NICKEL
•
MOUNTING CONFIGURATION: ONE 0.160 IN. DIA AND ONE 0.175 IN. DIA MTG HOLE IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
BODY WIDTH1.219 INCHES NOMINAL IN
BODY HEIGHT1.250 INCHES NOMINAL IN
BODY LENGTH2.187 INCHES NOMINAL IN
SURFACE TREATMENTNICKEL
MOUNTING CONFIGURATIONONE 0.160 IN. DIA AND ONE 0.175 IN. DIA MTG HOLE IN
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 4
54681AReference document
Same NSN cross-reference
Reference document — Secondary reference
805LXReference document
Same NSN cross-reference
Reference document — Secondary reference
BP3973Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
12093Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SM-B-186938?
SM-B-186938 is a COVER,ELECTRICAL SWITCH.
What parts can replace SM-B-186938?
There are 4 known substitutes for SM-B-186938: 54681A, 805LX, BP3973 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-186938?
SM-B-186938 is cataloged in the U.S. Government catalog under NSN 5930-00-581-2512. 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.