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Hardware
Back-up rings 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.
75 owned part identities in this path
75 PartsPerk-owned parts in Back-up rings
Boeing BACR12BJ216A FAA-PMA Rod Seal Ring, Cap
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N BACR12BJ216A Schedule B Code 8803.30.0010 Pack Quantity 1 Boeing BACR12BJ216A Rod Seal Ring, Cap is FAA PMA'd for
Boeing BACR12BM006 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM006 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM008 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM008 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM009 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM009 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM010 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM010 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM011 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM011 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM012 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM012 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM013 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM013 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM014 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM014 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM015 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM015 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM016 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM016 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM017 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM017 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM018 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM018 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM019 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM019 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM020 Ring, Back-Up - 500/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.5 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM020 Schedule B Code 3926.90.4500 Pack Quantity 500 Series BACR12BM Color White Material TF
Boeing BACR12BM022 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM022 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM024 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM024 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM026 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM026 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM027 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM027 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM110 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM110 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM111 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM111 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM113 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM113 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM114 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM114 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
Boeing BACR12BM115 Ring, Back-Up - 5/Pack
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Color Family White Manufacturer P/N BACR12BM115 Schedule B Code 3926.90.4500 Pack Quantity 5 Series BACR12BM Color White Material TF
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.
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.
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.