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Hardware
Nuts 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.
488 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.
488 PartsPerk-owned parts in Nuts
Military Standard MS21042L3 Steel Dry Film Coated Nut, Self-Locking, Extended Washer, Hexagon - 15/Pack
Approvals and Conformities NSN 5310-00-807-1474 Alternate PN#s NAS679A3, AN515-6R26, 21042L3 Product Attributes Country of Origin United States Shipping Weight 0.045 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21042L3 Schedule B Code 731
Military Standard MS21042L4 Steel Dry Film Coated Nut, Self-Locking, Extended Washer, Hexagon - 100/Pack
Approvals and Conformities NSN 5310-00-807-1475 Product Attributes Country of Origin United States Shipping Weight 0.3 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21042L4 Schedule B Code 7318.16.0000 Pack Quantity 100 Ship Dimensions 10
Military Standard MS21042L5 Steel Dry Film Coated Nut, Self-Locking, Extended Washer, Hexagon - 20/Pack
Approvals and Conformities NSN 5310-00-807-1476 Alternate PN#s H14-5, NAS679A5 Product Attributes Country of Origin United States Shipping Weight 0.06 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21042L5 Schedule B Code 7318.16.0000 Pack
Military Standard MS21042L6 Steel Dry Film Coated Nut, Self-Locking, Extended Washer, Hexagon - 50/Pack
Approvals and Conformities NSN 5310-00-807-1477 Alternate PN#s H14-6 Product Attributes Country of Origin United States Shipping Weight 0.15 pounds ECCN 9A991.d Color Family Gray Manufacturer P/N MS21042L6 Schedule B Code 7318.16.0000 Pack Quantity 5
Military Standard MS21043-04 Hexagon Self-Locking Nut, Extended Washer
Approvals and Conformities NSN 5310-00-878-3292 Alternate PN#s MS21043C04, NAS1291A04, NAS1291C04, NAS679C04 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N MS21043-04 Schedule B Code 7318
Military Standard MS21043-06 Hexagon Self-Locking Nut, Extended Washer
Approvals and Conformities NSN 5310-01-497-4168 Alternate PN#s 938.07.68.402? Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N MS21043-06 Schedule B Code 7318.16.0000 Pack Quantity 1 Series
Military Standard MS21043-08 Hexagon Self-Locking Nut, Extended Washer - 20/Pack
Approvals and Conformities NSN 5310-01-505-2644 Alternate PN#s 938.07.68.403, MS21043L08, NAS1291C08 Product Attributes Country of Origin United States Shipping Weight 0.02 pounds ECCN EAR99 Manufacturer P/N MS21043-08 Schedule B Code 7318.16.0000 Pa
Military Standard MS21043-3 Hexagon Self-Locking Nut, Extended Washer - 10/Pack
Approvals and Conformities NSN 5310-01-463-8817 Pilatus PN/Spec# 938.07.68.404 Alternate PN#s 938.07.68.404, MS21043C3, MS21043L3, NAS1291C3 Product Attributes Country of Origin United States Shipping Weight 0.01 pounds ECCN EAR99 Color Family Gold M
Military Standard MS21043-4 Hexagon Self-Locking Nut, Extended Washer - 5/Pack
Approvals and Conformities NSN 5310-01-463-8779 Alternate PN#s 938.07.68.405, NAS679-04 Product Attributes Country of Origin United States Shipping Weight 0.005 pounds ECCN EAR99 Manufacturer P/N MS21043-4 Schedule B Code 7318.16.0000 Pack Quantity 5
Military Standard MS21043-5 Hexagon Self-Locking Nut, Extended Washer
Approvals and Conformities NSN 5310-00-881-0944 Alternate PN#s 938.07.68.406, MS21043C5, NASM21043-5 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN EAR99 Manufacturer P/N MS21043-5 Schedule B Code 7318.16.0000 Pa
Military Standard MS21043-6 Hexagon Self-Locking Nut, Extended Washer
Approvals and Conformities NSN 1680-01-581-8091 Alternate PN#s NAS1291C6 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N MS21043-6 Schedule B Code 7318.16.0000 Pack Quantity 1 Ship Dimensi
Military Standard MS21044B06 Copper Nut, Self-Locking, Hexagon
Approvals and Conformities NSN 5310-00-877-5622 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS21044B06 Schedule B Code 7318.16.0000 Pack Quantity 1 Series MS21044 Threa
Military Standard MS21044B08 Copper Nut, Self-Locking, Hexagon
Approvals and Conformities NSN 5310-00-982-5063 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS21044B08 Schedule B Code 7318.16.0000 Pack Quantity 1 Series MS21044 Color
Military Standard MS21044B08 Copper Nut, Self-Locking, Hexagon - 10/Pack
Approvals and Conformities NSN 5310-00-982-5063 Product Attributes Country of Origin United States Shipping Weight 0.01 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS21044B08 Schedule B Code 7318.16.0000 Pack Quantity 10 Series MS21044 Color
Military Standard MS21044B3 Copper Nut, Self-Locking, Hexagon - 20/Pack
Approvals and Conformities NSN 5310-00-982-5064 Product Attributes Country of Origin United States Shipping Weight 0.02 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS21044B3 Schedule B Code 7318.16.0000 Pack Quantity 20 Series MS21044 Thread
Military Standard MS21044C06 Stainless Steel Nut, Self-Locking, Hexagon - 30/Pack
Approvals and Conformities NSN 5310-00-982-6813 Product Attributes Country of Origin United States Shipping Weight 0.03 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS21044C06 Schedule B Code 7318.16.0000 Pack Quantity 30 Ship Dimensions 4 x
Military Standard MS21044C08 Stainless Steel Nut, Self-Locking, Hexagon
Approvals and Conformities NSN 5310-01-526-1529 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS21044C08 Schedule B Code 7318.16.0000 Pack Quantity 1 Ship Dimensions 3 x
Military Standard MS21044C3 Stainless Steel Nut, Self-Locking, Hexagon - 50/Pack
Approvals and Conformities NSN 5310-00-208-9255 Product Attributes Country of Origin United States Shipping Weight 0.05 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS21044C3 Schedule B Code 7318.16.0000 Pack Quantity 50 Ship Dimensions 0 x 0
Military Standard MS21044C4 Stainless Steel Nut, Self-Locking, Hexagon - 10/Pack
Approvals and Conformities NSN 5310-00-889-2589 Product Attributes Country of Origin United States Shipping Weight 0.01 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS21044C4 Schedule B Code 7318.16.0000 Pack Quantity 10 Ship Dimensions 0 x 0
Military Standard MS21044C5 Stainless Steel Nut, Self-Locking, Hexagon
Approvals and Conformities NSN 5310-00-982-6816 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS21044C5 Schedule B Code 7318.16.0000 Pack Quantity 1 Series MS21044 Thread
Military Standard MS21044C6 Stainless Steel Nut, Self-Locking, Hexagon - 20/Pack
Approvals and Conformities NSN 5310-01-391-9887 Product Attributes Country of Origin United States Shipping Weight 0.02 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS21044C6 Schedule B Code 7318.16.0000 Pack Quantity 20 Ship Dimensions 1 x 1
Military Standard MS21044C7 Stainless Steel Nut, Self-Locking, Hexagon - 2/Pack
Approvals and Conformities NSN 5310-00-225-6190 Product Attributes Country of Origin United States Shipping Weight 0.002 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS21044C7 Schedule B Code 7318.16.0000 Pack Quantity 2 Series MS21044 Thread
Military Standard MS21044C8 Stainless Steel Nut, Self-Locking, Hexagon
Approvals and Conformities NSN 5310-00-982-4973 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS21044C8 Schedule B Code 7318.16.0000 Pack Quantity 1 Series MS21044 Thread
Military Standard MS21044D04 Aluminum Nut, Self-Locking, Hexagon
Approvals and Conformities NSN 5310-00-857-5548 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN EAR99 Color Family Gold Manufacturer P/N MS21044D04 Schedule B Code 7318.16.0000 Pack Quantity 1 Series MS21044 Threa