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.
73 owned part identities in this path
Identifier first
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. Use the manufacturer part number or NSN from the work card before guessing a family. Path Hardware → Retaining rings is a catalog placement signal, not interchange, stock, or price. Open a listed identity for image, specs, and RFQ context — or search the exact PN from this leaf.
Why this leaf exists
This leaf keeps Retaining rings-specific guidance so crawlers and buyers are not served duplicated department prose. Confirm finish, dash, pack, and applicability on the part page. Request sourcing carries quantity and document needs; this page does not invent availability.
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.
73 PartsPerk-owned parts in Retaining rings
Military Standard MS16625-4087 Corrosion Resistant Steel Ring, Retaining - 10/Pack
Pack Quantity 10
Military Standard MS16625-4093 Corrosion Resistant Steel Ring, Retaining - 15/Pack
Pack Quantity 15
Military Standard MS16625-4100 Corrosion Resistant Steel Ring, Retaining - 25/Pack
Pack Quantity 25
Military Standard MS16625-4112 Corrosion Resistant Steel Ring, Retaining - 10/Pack
Pack Quantity 10
Military Standard MS16625-4118 Corrosion Resistant Steel Ring, Retaining - 10/Pack
Pack Quantity 10
Military Standard MS16625-4125 Corrosion Resistant Steel Ring, Retaining - 10/Pack
Pack Quantity 10
Military Standard MS16625-4131 Corrosion Resistant Steel Ring, Retaining - 10/Pack
Pack Quantity 10
Military Standard MS16625-4137 Corrosion Resistant Steel Ring, Retaining - 14/Pack
Pack Quantity 14
Military Standard MS16625-4165 Corrosion Resistant Steel Ring, Retaining - 10/Pack
Pack Quantity 10
Military Standard MS16625-4187 Corrosion Resistant Steel Ring, Retaining - 10/Pack
Pack Quantity 10
Military Standard MS16625-4193 Corrosion Resistant Steel Retaining Ring - 10/Pack
Pack Quantity 10
Military Standard MS16625-4218 Corrosion Resistant Steel Ring, Retaining - 10/Pack
Pack Quantity 10
Military Standard MS16625-4375 Corrosion Resistant Steel Ring, Retaining - 10/Pack
Pack Quantity 10
Military Standard MS16632-4025 Steel Ring, Retaining - 50/Pack
Pack Quantity 50
Military Standard MS16633-1018 Carbon Steel/Cadmium Plated Ring, Retaining - 25/Pack
Military Standard MS16633-2018 Carbon Steel/Zinc Coated Ring, Retaining - 25/Pack
Approvals and Conformities NSN 5325-01-310-9535 MIL-SPEC# MIL-R-21248 Product Attributes Country of Origin United States Shipping Weight 0.025 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS16633-2018 Schedule B Code 9606.10.0000 Pack Quantit
Military Standard MS16633-2031 Carbon Steel/Zinc Coated Ring, Retaining - 280/Pack
Approvals and Conformities NSN 5325-00-282-6305 MIL-SPEC# MIL-R-21248 Product Attributes Country of Origin United States Shipping Weight 0.28 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS16633-2031 Schedule B Code 9606.10.0000 Pack Quantity
Military Standard MS16633-3018 Carbon Steel/Phosphate Coated Ring, Retaining - 25/Pack
Pack Quantity 25
Military Standard MS16633-4009 Stainless Steel Ring, Retaining - 25/Pack
Approvals and Conformities NSN 5325-00-543-3981 MIL-SPEC# MIL-R-21248 Product Attributes Country of Origin United States Shipping Weight 0.025 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS16633-4009 Schedule B Code 9606.10.0000 Pack Quantit
Military Standard MS16633-4012 Stainless Steel Ring, Retaining - 25/Pack
Approvals and Conformities NSN 5325-00-598-1138 MIL-SPEC# MIL-R-21248 Product Attributes Country of Origin United States Shipping Weight 0.025 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS16633-4012 Schedule B Code 9606.10.0000 Pack Quantit
Military Standard MS16633-4018 Stainless Steel Ring, Retaining - 25/Pack
Approvals and Conformities NSN 5325-00-725-0969 MIL-SPEC# MIL-R-21248 Product Attributes Country of Origin United States Shipping Weight 0.025 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS16633-4018 Schedule B Code 9606.10.0000 Pack Quantit
Military Standard MS16633-4021 Stainless Steel Ring, Retaining - 25/Pack
Approvals and Conformities NSN 5325-00-828-4765 MIL-SPEC# MIL-R-21248 Product Attributes Country of Origin United States Shipping Weight 0.025 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS16633-4021 Schedule B Code 9606.10.0000 Pack Quantit
Military Standard MS16633-4025 Stainless Steel Ring, Retaining - 100/Pack
Approvals and Conformities NSN 5365-01-394-4543 MIL-SPEC# MIL-R-21248 Product Attributes Country of Origin United States Shipping Weight 0.1 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS16633-4025 Schedule B Code 9606.10.0000 Pack Quantity
Military Standard MS16633-4037 Stainless Steel Ring, Retaining - 25/Pack
Approvals and Conformities NSN 5325-00-286-8718 MIL-SPEC# MIL-R-21248 Product Attributes Country of Origin United States Shipping Weight 0.025 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS16633-4037 Schedule B Code 9606.10.0000 Pack Quantit

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