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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.
262 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.
262 PartsPerk-owned parts in Circuit breakers
KLIXON® 7274-11-15 Circuit Breaker - 15 AMP
Approvals and Conformities NSN 5925-01-125-5495 MIL-SPEC# MS22073-15 Product Attributes Country of Origin United States Size 15 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Manufacturer P/N 7274-11-15 Schedule B Code 8536.20.0040 P
KLIXON® 7274-11-2 Circuit Breaker - 2 AMP
Approvals and Conformities NSN 5925-01-125-4870 MIL-SPEC# MS22073-2 Product Attributes Country of Origin United States Size 2 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Manufacturer P/N 7274-11-2 Schedule B Code 8536.20.0040 Pack
7274-11-2-5 — KLIXON® 7274-11-2-1/2 Circuit Breaker - 2-1/2 AMP
Approvals and Conformities NSN 5925-01-189-4082 MIL-SPEC# MS22073-2-1/2 Alternate PN#s 7274-11-2.5 Product Attributes Country of Origin United States Size 2-1/2 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Manufacturer P/N 7274-11
KLIXON® 7274-11-20 Circuit Breaker - 20 AMP
Approvals and Conformities NSN 5925-01-454-7037 MIL-SPEC# MS22073-20 Product Attributes Country of Origin United States Size 20 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Manufacturer P/N 7274-11-20 Schedule B Code 8536.20.0040 P
KLIXON® 7274-11-3 Circuit Breaker - 3 AMP
Approvals and Conformities NSN 5925-00-785-2675 MIL-SPEC# MS22073-3 Product Attributes Country of Origin United States Size 3 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Manufacturer P/N 7274-11-3 Schedule B Code 8536.20.0040 Pack
7274-11-3-4 — KLIXON® 7274-11-3/4 Circuit Breaker - 3/4 AMP
Approvals and Conformities NSN 5925-00-228-7605 MIL-SPEC# MS22073-3/4 Alternate PN#s 7274-11-.75 Product Attributes Country of Origin United States Size 3/4 AMP Shipping Weight 0.05 pounds ECCN EAR99 Color Family White Manufacturer P/N 7274-11-3/4 Sc
KLIXON® 7274-11-4 Circuit Breaker - 4 AMP
Approvals and Conformities NSN 5925-01-125-5720 MIL-SPEC# MS22073-4 Product Attributes Country of Origin United States Size 4 AMP Shipping Weight 0.05 pounds ECCN EAR99 Color Family White Manufacturer P/N 7274-11-4 Schedule B Code 8536.20.0040 Pack Q
KLIXON® 7274-11-5 Circuit Breaker - 5 AMP
Approvals and Conformities NSN 5925-01-125-5721 MIL-SPEC# MS22073-5 Product Attributes Country of Origin United States Size 5 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Manufacturer P/N 7274-11-5 Schedule B Code 8536.20.0040 Pack
7274-11-7-1-2 — KLIXON® 7274-11-7-1/2 Circuit Breaker - 7-1/2 AMP
Approvals and Conformities NSN 5925-01-125-5722 MIL-SPEC# MS22073-7-1/2 Alternate PN#s 7274-11-7.5 Product Attributes Country of Origin United States Size 7-1/2 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Manufacturer P/N 7274-11
7274-11NUT — KLIXON® 7274-11 Circuit Breaker Hardware Set (Nut & Washer) - 10/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.5 pounds ECCN 9A991.d Manufacturer P/N 7274-11 Schedule B Code 8536.20.0040 Pack Quantity 10 Nut and washer for the 7274-11 Series circuit breakers.
KLIXON® 7274-2-1 Circuit Breaker - 1 AMP
Approvals and Conformities NSN 5925-00-815-6621 MIL-SPEC# MIL-C-5809 Pilatus PN/Spec# 972.55.18.512 Alternate PN#s MS26574-1 Product Attributes Country of Origin United States Size 1 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Man
7274-2-1-2 — KLIXON® 7274-2-1/2 Circuit Breaker - 1/2 AMP
Approvals and Conformities NSN 5925-00-946-6879 MIL-SPEC# MIL-C-5809 Pilatus PN/Spec# 972.55.18.510 Alternate PN#s MS26574-1/2, 7274-2-.50 Product Attributes Country of Origin United States Size 1/2 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color
7274-2-1-5 — KLIXON® 7274-2-1.5 Circuit Breaker - 1-1/2 AMP
Approvals and Conformities NSN 5925-00-820-5347 MIL-SPEC# MIL-C-5809 Pilatus PN/Spec# 972.55.18.513 Alternate PN#s MS26574-1-1/2, 7274-2-1.5 Product Attributes Country of Origin United States Size 1-1/2 AMP Shipping Weight 0.05 pounds ECCN EAR99 Colo
KLIXON® 7274-2-10 Circuit Breaker - 10 AMP
Approvals and Conformities NSN 5925-00-993-0367 MIL-SPEC# MIL-C-5809 Pilatus PN/Spec# 972.55.18.519 Alternate PN#s MS26574-10 Product Attributes Country of Origin United States Size 10 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White M
KLIXON® 7274-2-15 Circuit Breaker - 15 AMP
Approvals and Conformities NSN 5925-00-890-4340 MIL-SPEC# MIL-C-5809 Alternate PN#s MS26574-15 Product Attributes Country of Origin United States Size 15 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Manufacturer P/N 7274-2-15 Sched
KLIXON® 7274-2-2 Circuit Breaker - 2 AMP
Approvals and Conformities NSN 5925-00-818-3420 MIL-SPEC# MIL-C-5809 Alternate PN#s MS26574-2 Product Attributes Country of Origin United States Size 2 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Manufacturer P/N 7274-2-2 Schedule
7274-2-2-5 — KLIXON® 7274-2-2-1/2 Circuit Breaker - 2-1/2 AMP
Approvals and Conformities NSN 5925-00-998-1633 MIL-SPEC# MIL-C-5809 Alternate PN#s MS26574-2-1/2, 7274-2-2.5 Product Attributes Country of Origin United States Size 2-1/2 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Manufacturer P
KLIXON® 7274-2-20 Circuit Breaker - 20 AMP
Approvals and Conformities NSN 5925-01-603-6209 MIL-SPEC# MIL-C-5809 Alternate PN#s MS26574-20 Product Attributes Country of Origin United States Size 20 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Manufacturer P/N 7274-2-20 Sched
KLIXON® 7274-2-3 Circuit Breaker - 3 AMP
Approvals and Conformities NSN 5925-00-969-7783 MIL-SPEC# MIL-C-5809 Pilatus PN/Spec# 972.55.18.515 Alternate PN#s MS26574-3 Product Attributes Country of Origin United States Size 3 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Man
KLIXON® 7274-2-4 Circuit Breaker - 4 AMP
Approvals and Conformities NSN 5925-00-733-9243 MIL-SPEC# MIL-C-5809 Alternate PN#s MS26574-4 Product Attributes Country of Origin United States Size 4 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Manufacturer P/N 7274-2-4 Schedule
KLIXON® 7274-2-5 Circuit Breaker - 5 AMP
Approvals and Conformities NSN 5925-00-929-7717 MIL-SPEC# MIL-C-5809 Pilatus PN/Spec# 972.55.18.517 Alternate PN#s MS26574-5 Product Attributes Country of Origin United States Size 5 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Man
7274-2-7-5 — KLIXON® 7274-2-7.5 Circuit Breaker - 7-1/2 AMP
Approvals and Conformities NSN 5925-00-988-6837 MIL-SPEC# MIL-C-5809 Pilatus PN/Spec# 972.55.18.518 Alternate PN#s MS26574-7-1/2, 7274-2-7.5 Product Attributes Country of Origin United States Size 7-1/2 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Co
7274-2-75 — KLIXON® 7274-2-3/4 Circuit Breaker - 3/4 AMP
Approvals and Conformities NSN 5925-00-898-9361 MIL-SPEC# MIL-C-5809 Pilatus PN/Spec# 972.55.18.511 Alternate PN#s MS26574-3/4, 7274-2-.75 Product Attributes Country of Origin United States Size 3/4 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color
KLIXON® 7274-4-1 Circuit Breaker - 1 AMP
Approvals and Conformities NSN 5925-00-882-3626 MIL-SPEC# MIL-C-5809 Alternate PN#s MS26574-1A Product Attributes Country of Origin United States Size 1 AMP Shipping Weight 0.05 pounds ECCN 9A991.d Color Family White Manufacturer P/N 7274-4-1 Schedul
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.