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Electrical
Circuit breakers for aviation maintenance and overhaul sourcing. Search by manufacturer part number or NSN. Listings are PartsPerk-owned observations for review — not live inventory or airworthiness approval.
14 owned part identities in this path
Follow the maintenance program and the manufacturer’s cycle or inspection limits. Replace on erratic trip, failed test, or damage — not on a category-page rule of thumb.
Lockout/tagout belongs on the work card whenever a circuit must stay open. Note lockout hardware on the RFQ if you need it with the breaker.
Overload, short, and some nuisance thermal conditions. Diagnose the circuit; do not just upsize the breaker from this catalog.
Start with the manufacturer part number from the illustrated parts catalog or maintenance manual. If an NSN is listed, search that next. Confirm finish, dash number, and engine or airframe applicability before opening an RFQ.
PartsPerk catalog pages show PartsPerk-owned observations only. They are not live stock, not certification, and not OEM affiliation. Exact PN/NSN identity is for sourcing review; publication and sellability require separate approval.
14 PartsPerk-owned parts in Circuit breakers
Military Standard MS25244-25 Circuit Breaker - 25 AMP
Approvals and Conformities NSN 5925-00-805-2833 Product Attributes Country of Origin Mexico Size 25 AMP Shipping Weight 0.05 pounds ECCN EAR99 Color Family Green Manufacturer P/N MS25244-25 Schedule B Code 8536.20.0040 Pack Quantity 1 Ship Dimensions
Military Standard MS25244-30 Circuit Breaker - 30 AMP
Approvals and Conformities NSN 5925-01-227-4047 Product Attributes Country of Origin Mexico Size 30 AMP Shipping Weight 0.05 pounds ECCN EAR99 Color Family Green Manufacturer P/N MS25244-30 Schedule B Code 8536.20.0040 Pack Quantity 1 Ship Dimensions
Military Standard MS25244-5 Circuit Breaker - 5 AMP
Approvals and Conformities NSN 5925-00-686-3297 Product Attributes Country of Origin Mexico Size 5 AMP Shipping Weight 0.05 pounds ECCN EAR99 Color Family Green Manufacturer P/N MS25244-5 Schedule B Code 8536.20.0040 Pack Quantity 1 Color Green Body
Military Standard MS26574-2 Circuit Breaker - 2 AMP
Approvals and Conformities NSN 5925-00-929-7274 Product Attributes Country of Origin United States Shipping Weight 0.1 pounds ECCN EAR99 Manufacturer P/N MS26574-2 Pack Quantity 1 Body Style: Single Pole Type Bushing Length: 0.359 Inches Nominal Body
Military Standard MS3320-1 Circuit Breaker - 1 AMP - 3/Pack
Approvals and Conformities NSN 5925-00-224-7422 Product Attributes Country of Origin Mexico Size 1 AMP Shipping Weight 0.30000000000000004 pounds ECCN EAR99 Manufacturer P/N MS3320-1 Schedule B Code 8536.20.0040 Pack Quantity 3 Ship Dimensions 2 x 1
Military Standard MS3320-10 Circuit Breaker - 10 AMP
Approvals and Conformities NSN 5925-00-431-3255 Product Attributes Country of Origin Mexico Size 10 AMP Shipping Weight 0.1 pounds ECCN EAR99 Manufacturer P/N MS3320-10 Schedule B Code 8536.20.0040 Pack Quantity 1 Series MS3320 Military Standard MS33
Military Standard MS3320-15 Circuit Breaker - 15 AMP
Approvals and Conformities NSN 5925-00-431-3256 Product Attributes Country of Origin Mexico Size 15 AMP Shipping Weight 0.1 pounds ECCN EAR99 Manufacturer P/N MS3320-15 Schedule B Code 8536.20.0040 Pack Quantity 1 Series MS3320 Military Standard MS33
Military Standard MS3320-2 Circuit Breaker - 2 AMP
Approvals and Conformities NSN 5925-00-224-7425 Product Attributes Country of Origin Mexico Size 2 AMP Shipping Weight 0.1 pounds ECCN EAR99 Manufacturer P/N MS3320-2 Schedule B Code 8536.20.0040 Pack Quantity 1 Series MS3320 Military Standard MS3320
MS3320-2-1-2 — Military Standard MS3320-2-1/2 Circuit Breaker - 2-1/2 AMP
Approvals and Conformities NSN 5925-01-579-3438 Product Attributes Country of Origin United States Size 2-1/2 AMP Shipping Weight 0.1 pounds ECCN EAR99 Manufacturer P/N MS3320-2-1/2 Schedule B Code 8536.20.0040 Pack Quantity 1 Series MS3320 Military
Military Standard MS3320-20 Circuit Breaker - 20 AMP
Approvals and Conformities NSN 5925-01-188-0051 Product Attributes Country of Origin Mexico Size 20 AMP Shipping Weight 0.1 pounds ECCN EAR99 Manufacturer P/N MS3320-20 Schedule B Code 8536.20.0040 Pack Quantity 1 Series MS3320 Military Standard MS33
Military Standard MS3320-3 Circuit Breaker - 3 AMP
Approvals and Conformities NSN 5925-01-486-4227 Product Attributes Country of Origin Mexico Size 3 AMP Shipping Weight 0.1 pounds ECCN 9A991.d Manufacturer P/N MS3320-3 Schedule B Code 8536.20.0040 Pack Quantity 1 Ship Dimensions 2 x 1 x 1 inches Ser
Military Standard MS3320-4 Circuit Breaker - 4 AMP - 5/Pack
Approvals and Conformities NSN 5925-00-224-7474 Product Attributes Country of Origin Mexico Size 4 AMP Shipping Weight 0.5 pounds ECCN EAR99 Manufacturer P/N MS3320-4 Schedule B Code 8536.20.0040 Pack Quantity 5 Series MS3320 Military Standard MS3320
Military Standard MS3320-5 Circuit Breaker - 5 AMP
Approvals and Conformities NSN 5925-00-452-1270 Product Attributes Country of Origin Mexico Size 5 AMP Shipping Weight 0.1 pounds ECCN EAR99 Manufacturer P/N MS3320-5 Schedule B Code 8536.20.0040 Pack Quantity 1 Ship Dimensions 2 x 1 x 1 inches Serie
MS3320-7-1-2 — Military Standard MS3320-7-1/2 Circuit Breaker - 7-1/2 AMP
Approvals and Conformities NSN 5925-00-468-2757 Product Attributes Country of Origin United States Size 7-1/2 AMP Shipping Weight 0.1 pounds ECCN EAR99 Manufacturer P/N MS3320-7-1/2 Schedule B Code 8536.20.0040 Pack Quantity 1 Series MS3320 Military
No. Category pages show PartsPerk-owned observations for sourcing review. Stock, price, trace, and airworthiness stay off the page until a separate publication review.
Yes. Submit quantity, required documents, and need-by date through the sourcing desk. Volume review is human — these pages do not auto-discount.