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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.
63 owned part identities in this path
63 PartsPerk-owned parts in Back-up rings
Military Standard MS16624-3031 Steel Ring, Retaining
Approvals and Conformities NSN 5325-00-803-7313 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN EAR99 Manufacturer P/N MS16624-3031 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Military Standard MS1
Military Standard MS16624-3043 Steel Ring, Retaining - 10/Pack
Approvals and Conformities NSN 5365-00-753-3929 Alternate PN#s 5100-43, SH-43STMPD Product Attributes Country of Origin United States Shipping Weight 0.03 pounds ECCN EAR99 Manufacturer P/N MS16624-3043 Schedule B Code 9606.10.0000 Pack Quantity 10 C
Military Standard MS16624-3050 Steel Ring, Retaining
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN 9A991.d Manufacturer P/N MS16624-3050 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Military Standard MS16624-3050 Steel Rin
Military Standard MS16624-3056 Steel Ring, Retaining
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN EAR99 Manufacturer P/N MS16624-3056 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Military Standard MS16624-3056 Steel Ring,
Military Standard MS16624-3078 Steel Ring, Retaining - 100/Pack
Approvals and Conformities NSN 5325-01-580-6137 Product Attributes Country of Origin United States Shipping Weight 0.3 pounds ECCN EAR99 Manufacturer P/N MS16624-3078 Schedule B Code 8710.00.0090 Pack Quantity 100 Series MS16624 Military Standard MS1
Military Standard MS16624-37 Steel Ring, Retaining
Approvals and Conformities NSN 5325-00-715-1152 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN 9A991.d Manufacturer P/N MS16624-37 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Military Standard MS1
Military Standard MS16624-4025 Steel Ring, Retaining - 15/Pack
Approvals and Conformities NSN 5325-01-127-1807 Product Attributes Country of Origin United States Shipping Weight 0.045 pounds ECCN 9A991.d Manufacturer P/N MS16624-4025 Schedule B Code 8710.00.0090 Pack Quantity 15 Series MS16624 Series MS16624 Mat
Military Standard MS16624-4028 Steel Ring, Retaining
Approvals and Conformities NSN 5325-00-910-9516 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN 9A991.d Manufacturer P/N MS16624-4028 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Military Standard M
Military Standard MS16624-4031 Steel Ring, Retaining
Approvals and Conformities NSN 5325-00-263-5915 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN 9A991.d Manufacturer P/N MS16624-4031 Schedule B Code 8710.00.0090 Pack Quantity 1 Ship Dimensions 1 x 1 x 0 inches S
Military Standard MS16624-4034 Steel Ring, Retaining
Approvals and Conformities NSN 5325-00-550-5936 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN 9A991.d Manufacturer P/N MS16624-4034 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Military Standard M
Military Standard MS16624-4035 Steel Ring, Retaining
Approvals and Conformities NSN 5325-00-804-7642 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN 9A991.d Manufacturer P/N MS16624-4035 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Military Standard M
Military Standard MS16624-4037 Steel Ring, Retaining
Approvals and Conformities NSN 5325-01-203-5612 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN 9A991.d Manufacturer P/N MS16624-4037 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Series MS16624 Mate
Military Standard MS16624-4039 Steel Ring, Retaining
Approvals and Conformities NSN 5325-00-804-7701 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN 9A991.d Manufacturer P/N MS16624-4039 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Cross-Sectional Sha
Military Standard MS16624-4040 Steel Ring, Retaining
Approvals and Conformities NSN 5325-00-804-7643 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN 9A991.d Manufacturer P/N MS16624-4040 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Military Standard M
Military Standard MS16624-4043 Steel Ring, Retaining - 20/Pack
Approvals and Conformities NSN 5325-00-818-0872 Product Attributes Country of Origin United States Shipping Weight 0.06 pounds ECCN 9A991.d Manufacturer P/N MS16624-4043 Schedule B Code 8710.00.0090 Pack Quantity 20 Series MS16624 Series MS16624 Mate
Military Standard MS16624-4046 Steel Ring, Retaining
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN 9A991.d Manufacturer P/N MS16624-4046 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Military Standard MS16624-4046 Steel Rin
Military Standard MS16624-4050 Steel Ring, Retaining - 30/Pack
Approvals and Conformities NSN 5325-00-804-7645 Product Attributes Country of Origin United States Shipping Weight 0.09 pounds ECCN 9A991.d Manufacturer P/N MS16624-4050 Schedule B Code 8710.00.0090 Pack Quantity 30 Series MS16624 Series MS16624 Mate
Military Standard MS16624-4056 Steel Ring, Retaining
Approvals and Conformities NSN 5325-00-804-7646 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN 9A991.d Manufacturer P/N MS16624-4056 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Military Standard M
Military Standard MS16624-4062 Steel Ring, Retaining
Approvals and Conformities NSN 5325-00-753-3699 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN 9A991.d Manufacturer P/N MS16624-4062 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Military Standard M
Military Standard MS16624-4066 Steel Ring, Retaining
Approvals and Conformities NSN 5325-00-634-7446 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN 9A991.d Manufacturer P/N MS16624-4066 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Military Standard M
Military Standard MS16624-4075 Steel Ring, Retaining
Approvals and Conformities NSN 5325-00-808-7913 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN 9A991.d Manufacturer P/N MS16624-4075 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Series MS16624 Mate
Military Standard MS16624-4087 Steel Ring, Retaining - 20/Pack
Approvals and Conformities NSN 5325-00-514-0393 Product Attributes Country of Origin United States Shipping Weight 0.06 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS16624-4087 Schedule B Code 8710.00.0090 Pack Quantity 20 Series MS16624 Ser
Military Standard MS16624-4093 Steel Ring, Retaining
Approvals and Conformities NSN 5325-00-804-2184 Product Attributes Country of Origin United States Shipping Weight 0.003 pounds ECCN 9A991.d Manufacturer P/N MS16624-4093 Schedule B Code 8710.00.0090 Pack Quantity 1 Series MS16624 Series MS16624 Mate
Military Standard MS16624-4098 Steel Ring, Retaining - 30/Pack
Approvals and Conformities NSN 5325-00-807-8151 Product Attributes Country of Origin United States Shipping Weight 0.09 pounds ECCN 9A991.d Manufacturer P/N MS16624-4098 Schedule B Code 8710.00.0090 Pack Quantity 30 Series MS16624 Military Standard M
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.