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Hardware
Retaining 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.
85 owned part identities in this path
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.
85 PartsPerk-owned parts in Retaining rings
Monadnock 1127723 Steel Washer, Split - 10/Pack
Approvals and Conformities NSN 5310-00-639-7435 Textron Cessna PN/Spec# S3275-301 Alternate PN#s 2600-SW2, 2600SW2 Product Attributes Country of Origin United States Shipping Weight 0.01 pounds ECCN EAR99 Manufacturer P/N 1127723 Schedule B Code 7318
Boeing BACR12BD010NA Retainer, Packing
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N BACR12BD010NA Schedule B Code 3926.90.4500 Pack Quantity 1 Series BACR12BD Boeing BACR12BD010NA Ring Rev
Boeing BACR12BD011NA Retainer, Packing
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N BACR12BD011NA Schedule B Code 3926.90.4500 Pack Quantity 1 Series BACR12BD Boeing BACR12BD011NA Ring Rev
Boeing BACR12BD012NA Retainer, Packing
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N BACR12BD012NA Schedule B Code 3926.90.4500 Pack Quantity 1 Series BACR12BD Boeing BACR12BD012NA Ring Rev
Boeing BACR12BD112A Retainer, Packing
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N BACR12BD112A Schedule B Code 3926.90.4500 Pack Quantity 1 Series BACR12BD Boeing BACR12BD112A Ring Rev
Boeing BACR12BD113A Retainer, Packing
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N BACR12BD113A Schedule B Code 3926.90.4500 Pack Quantity 1 Series BACR12BD Boeing BACR12BD113A Ring Rev
Boeing BACR12BD212A Retainer, Packing
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N BACR12BD212A Schedule B Code 3926.90.4500 Pack Quantity 1 Series BACR12BD Boeing BACR12BD212A Ring Rev
Boeing BACR12BD222A Retainer, Packing
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N BACR12BD222A Schedule B Code 3926.90.4500 Pack Quantity 1 Series BACR12BD Boeing BACR12BD222A Ring Rev
Boeing BACW10X2S Steel Washer, Split - 100/Pack
Approvals and Conformities NSN 5310-00-639-7435 Alternate PN#s 2600-SW2, 2600SW2, 1127723 Product Attributes Country of Origin United States Shipping Weight 0.1 pounds ECCN EAR99 Manufacturer P/N BACW10X2S Schedule B Code 7318.22.0000 Pack Quantity 1
Fastener Specialty FSU-18 Shell Size 18 Electrical Connector Retaining Plate
Approvals and Conformities NSN 5935-00-138-7512 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN EAR99 Manufacturer P/N FSU-18 Schedule B Code 8548.90.0100 Pack Quantity 1 Series MS16624 Nut Rings:Retainer Material
Military Standard MS16625-1031 Cadmium Plated Steel Ring, Retaining - 20/Pack
Approvals and Conformities NSN 5325-00-804-9736 MIL-SPEC# MS16625 Product Attributes Country of Origin United States Shipping Weight 0.02 pounds ECCN EAR99 Manufacturer P/N MS16625-1031 Schedule B Code 9606.10.0000 Pack Quantity 20 Series MS16625 Mat
Military Standard MS16625-1037 Cadmium Plated Steel Ring, Retaining
Approvals and Conformities NSN 5325-00-804-9735 MIL-SPEC# MS16625 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N MS16625-1037 Schedule B Code 9606.10.0000 Pack Quantity 1 Series MS16625 M
Military Standard MS16625-1050 Cadmium Plated Steel Ring, Retaining - 5/Pack
Approvals and Conformities NSN 5325-00-804-9743 MIL-SPEC# MS16625 Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Manufacturer P/N MS16625-1050 Schedule B Code 9606.10.0000 Pack Quantity 5 Series MS16625 Mat
Military Standard MS16625-1056 Cadmium Plated Steel Ring, Retaining - 10/Pack
Approvals and Conformities NSN 5325-00-808-3957 MIL-SPEC# MS16625 Product Attributes Country of Origin United States Shipping Weight 0.01 pounds ECCN EAR99 Manufacturer P/N MS16625-1056 Schedule B Code 9606.10.0000 Pack Quantity 10 Shaft Size 0.6200.
Military Standard MS16625-1062 Cadmium Plated Steel Ring, Retaining - 25/Pack
Approvals and Conformities NSN 5325-00-687-3379 MIL-SPEC# MS16625 Product Attributes Country of Origin United States Shipping Weight 0.025 pounds ECCN EAR99 Manufacturer P/N MS16625-1062 Schedule B Code 9606.10.0000 Pack Quantity 25 Shaft Size 0.6940
Military Standard MS16625-1068 Cadmium Plated Steel Ring, Retaining - 10/Pack
Approvals and Conformities NSN 5325-00-807-7968 MIL-SPEC# MS16625 Product Attributes Country of Origin United States Shipping Weight 0.01 pounds ECCN EAR99 Manufacturer P/N MS16625-1068 Schedule B Code 9606.10.0000 Pack Quantity 10 Series MS16625 Mat
Military Standard MS16625-1075 Cadmium Plated Steel Ring, Retaining - 5/Pack
Approvals and Conformities NSN 5315-00-816-6522 MIL-SPEC# MS16625 Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Manufacturer P/N MS16625-1075 Schedule B Code 9606.10.0000 Pack Quantity 5 Ship Dimensions 7
Military Standard MS16625-1081 Cadmium Plated Steel Ring, Retaining - 15/Pack
Approvals and Conformities NSN 5325-00-804-9740 MIL-SPEC# MS16625 Product Attributes Country of Origin United States Shipping Weight 0.015 pounds ECCN EAR99 Manufacturer P/N MS16625-1081 Schedule B Code 9606.10.0000 Pack Quantity 15 Series MS16625 Ma
Military Standard MS16625-1087 Cadmium Plated Steel Ring, Retaining - 25/Pack
Approvals and Conformities NSN 5325-00-804-9739 MIL-SPEC# MS16625 Product Attributes Country of Origin United States Shipping Weight 0.025 pounds ECCN EAR99 Manufacturer P/N MS16625-1087 Schedule B Code 9606.10.0000 Pack Quantity 25 Shaft Size 0.9710
Military Standard MS16625-1093 Cadmium Plated Steel Ring, Retaining
Approvals and Conformities NSN 5325-00-833-7454 MIL-SPEC# MS16625 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N MS16625-1093 Schedule B Code 9606.10.0000 Pack Quantity 1 Ship Dimensions
Military Standard MS16625-1100 Cadmium Plated Steel Ring, Retaining - 50/Pack
Approvals and Conformities NSN 5325-00-807-2636 MIL-SPEC# MS16625 Product Attributes Country of Origin United States Shipping Weight 0.05 pounds ECCN EAR99 Manufacturer P/N MS16625-1100 Schedule B Code 9606.10.0000 Pack Quantity 50 Series MS16625 Mat
Military Standard MS16625-1102 Cadmium Plated Steel Ring, Retaining - 10/Pack
Approvals and Conformities NSN 5325-00-721-4828 MIL-SPEC# MS16625 Product Attributes Country of Origin United States Shipping Weight 0.01 pounds ECCN EAR99 Manufacturer P/N MS16625-1102 Schedule B Code 9606.10.0000 Pack Quantity 10 Series MS16625 Mat
Military Standard MS16625-1106 Cadmium Plated Steel Ring, Retaining - 10/Pack
Approvals and Conformities NSN 5325-00-811-4073 MIL-SPEC# MS16625 Product Attributes Country of Origin United States Shipping Weight 0.01 pounds ECCN 9A991.d Manufacturer P/N MS16625-1106 Schedule B Code 9606.10.0000 Pack Quantity 10 Shaft Size 1.180
Military Standard MS16625-1112 Cadmium Plated Steel Ring, Retaining - 10/Pack
Approvals and Conformities NSN 5325-00-801-2500 MIL-SPEC# MS16625 Product Attributes Country of Origin United States Shipping Weight 0.01 pounds ECCN 9A991.d Manufacturer P/N MS16625-1112 Schedule B Code 9606.10.0000 Pack Quantity 10 Shaft Size 1.249