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Hardware
Back-up rings
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.
63 owned part identities in this path
Identifier first
Back-up rings: browse owned identities on this path.
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. Use the manufacturer part number or NSN from the work card before guessing a family. Path Hardware → Back-up 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
Unique context for Back-up rings, not a thin copy of the parent.
This leaf keeps Back-up 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.
63 PartsPerk-owned parts in Back-up rings
Military Standard MS16624-3031 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-3043 Steel Ring, Retaining - 10/Pack
Pack Quantity 10
Military Standard MS16624-3050 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-3056 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-3078 Steel Ring, Retaining - 100/Pack
Pack Quantity 100
Military Standard MS16624-37 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-4025 Steel Ring, Retaining - 15/Pack
Pack Quantity 15
Military Standard MS16624-4028 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-4031 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-4034 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-4035 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-4037 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-4039 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-4040 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-4043 Steel Ring, Retaining - 20/Pack
Pack Quantity 20
Military Standard MS16624-4046 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-4050 Steel Ring, Retaining - 30/Pack
Pack Quantity 30
Military Standard MS16624-4056 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-4062 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-4066 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-4075 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-4087 Steel Ring, Retaining - 20/Pack
Pack Quantity 20
Military Standard MS16624-4093 Steel Ring, Retaining
Pack Quantity 1
Military Standard MS16624-4098 Steel Ring, Retaining - 30/Pack
Pack Quantity 30
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Frequently asked questions
How do I pick the correct part?
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.
Are these listings in stock or certified?
No. Category pages show PartsPerk-owned observations for sourcing review. Stock, price, trace, and airworthiness stay off the page until a separate publication review.
Can fleet and shop orders be reviewed together?
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.
