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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
National Aerospace Standard NAS509-18 Steel Nut, Self-Locking, Hexagon
Approvals and Conformities Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN EAR99 Manufacturer P/N NAS509-18 Schedule B Code 7318.16.0000 Pack Quantity 1 Series NAS509 National Aerospace Standard NAS509-18 Steel Nu
National Aerospace Standard NAS509-3 Steel Nut, Self-Locking, Hexagon
Approvals and Conformities NSN 5325-00-680-8990 Product Attributes Country of Origin United States Size .375" Shipping Weight 0.001 pounds ECCN EAR99 Manufacturer P/N NAS509-3 Schedule B Code 7318.16.0000 Pack Quantity 1 Ship Dimensions 1 x 0 x 0 inc
National Aerospace Standard NAS509-4 Steel Nut, Self-Locking, Hexagon - 10/Pack
Approvals and Conformities NSN 5310-00-141-3010 Product Attributes Country of Origin United States Size .438" Shipping Weight 0.01 pounds ECCN 9A991.d Manufacturer P/N NAS509-4 Schedule B Code 7318.16.0000 Pack Quantity 10 Series NAS509 Width .438 Th
National Aerospace Standard NAS509-4C Crescent Steel Nut, Self-Locking, Hexagon - 20/Pack
Approvals and Conformities NSN 5310-01-014-6982 Product Attributes Country of Origin United States Size .438" Shipping Weight 0.02 pounds ECCN 9A991.d Manufacturer P/N NAS509-4C Schedule B Code 7318.16.0000 Pack Quantity 20 Ship Dimensions 1 x 1 x 1
National Aerospace Standard NAS509-5 Steel Nut, Self-Locking, Hexagon
Approvals and Conformities NSN 5310-00-208-3755 Product Attributes Country of Origin United States Size .500" Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N NAS509-5 Schedule B Code 7318.16.0000 Pack Quantity 1 Series NAS509 Width .500 Th
National Aerospace Standard NAS509-5C Crescent Steel Nut, Self-Locking, Hexagon
Approvals and Conformities NSN 5310-01-043-1399 Product Attributes Country of Origin United States Size .500" Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N NAS509-5C Schedule B Code 7318.16.0000 Pack Quantity 1 Series NAS509 Width .500 T
National Aerospace Standard NAS509-6 Steel Nut, Self-Locking, Hexagon - 5/Pack
Approvals and Conformities NSN 5310-01-616-4692 Product Attributes Country of Origin United States Size .563" Shipping Weight 0.005 pounds ECCN 9A991.d Manufacturer P/N NAS509-6 Schedule B Code 7318.16.0000 Pack Quantity 5 Ship Dimensions 1 x 1 x 1 i
National Aerospace Standard NAS509-6C Crescent Steel Nut, Self-Locking, Hexagon
Approvals and Conformities NSN 5310-01-022-8109 Product Attributes Country of Origin United States Size .563" Shipping Weight 0.001 pounds ECCN EAR99 Manufacturer P/N NAS509-6C Schedule B Code 7318.16.0000 Pack Quantity 1 Series NAS509 Material A286
National Aerospace Standard NAS509-7 Steel Nut, Self-Locking, Hexagon
Approvals and Conformities NSN 5310-00-208-3747 Product Attributes Country of Origin United States Size .625" Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N NAS509-7 Schedule B Code 7318.16.0000 Pack Quantity 1 Series NAS509 Width .625 Th
National Aerospace Standard NAS509-7C Crescent Steel Nut, Self-Locking, Hexagon - 10/Pack
Approvals and Conformities NSN 5310-01-047-9456 Product Attributes Country of Origin United States Size .625" Shipping Weight 0.01 pounds ECCN EAR99 Manufacturer P/N NAS509-7C Schedule B Code 7318.16.0000 Pack Quantity 10 Series NAS509 Width .625 Thr
National Aerospace Standard NAS509-8 Steel Nut, Self-Locking, Hexagon
Approvals and Conformities NSN 5310-00-141-3009 Product Attributes Country of Origin United States Size .750" Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N NAS509-8 Schedule B Code 7318.16.0000 Pack Quantity 1 Series NAS509 Width .750 Th
National Aerospace Standard NAS509-9C Crescent Steel Nut, Self-Locking, Hexagon
Approvals and Conformities NSN 5310-01-034-1103 Product Attributes Country of Origin United States Size .875" Shipping Weight 0.001 pounds ECCN 9A991.d Manufacturer P/N NAS509-9C Schedule B Code 7318.16.0000 Pack Quantity 1 Series NAS509 Width .875 T
National Aerospace Standard NAS509L5 Steel Nut, Self-Locking, Hexagon
Approvals and Conformities NSN 5310-00-754-4241 Product Attributes Country of Origin United States Size .500" Shipping Weight 0.001 pounds ECCN EAR99 Manufacturer P/N NAS509L5 Schedule B Code 7318.16.0000 Pack Quantity 1 Ship Dimensions 1 x 1 x 1 inc
National Aerospace Standard NAS509L5C Crescent Steel Nut, Self-Locking, Hexagon - 5/Pack
Approvals and Conformities NSN 5310-01-121-1693 Product Attributes Country of Origin United States Size .500" Shipping Weight 0.005 pounds ECCN 9A991.d Manufacturer P/N NAS509L5C Schedule B Code 7318.16.0000 Pack Quantity 5 Series NAS509 Width .500 T
National Aerospace Standard NAS509L7 Steel Nut, Self-Locking, Hexagon
Approvals and Conformities NSN 5310-00-543-5039 Product Attributes Country of Origin United States Size .625" Shipping Weight 0.001 pounds ECCN EAR99 Manufacturer P/N NAS509L7 Schedule B Code 7318.16.0000 Pack Quantity 1 Series NAS509 Material 4130 A
National Aerospace Standard NAS577B4A Nut
Approvals and Conformities NSN 5310-01-232-3542 Product Attributes Country of Origin United States Shipping Weight 0.02 pounds ECCN EAR99 Manufacturer P/N NAS577B4A Schedule B Code 8803.30.0010 Pack Quantity 1 The National Aerospace Standard NAS577B4
National Aerospace Standard NAS578-4A Retainer, Nut and Bolt
Approvals and Conformities NSN 5340-00-882-1428 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN EAR99 Color Family Gold Manufacturer P/N NAS578-4A Schedule B Code 7318.24.0000 Pack Quantity 1 Ship Dimensions 1 x 1
National Aerospace Standard NAS578-4B Retainer, Nut and Bolt - 10/Pack
Approvals and Conformities NSN 5340-00-948-9787 Product Attributes Country of Origin United States Shipping Weight 0.01 pounds ECCN EAR99 Color Family Gold Manufacturer P/N NAS578-4B Schedule B Code 7318.24.0000 Pack Quantity 10 Series NAS578 Height
National Aerospace Standard NAS671-4 Steel Nut, Plain, Hexagon
Approvals and Conformities NSN 5310-00-810-7785 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN EAR99 Manufacturer P/N NAS671-4 Schedule B Code 7318.16.0000 Pack Quantity 1 Material Steel National Aerospace Standa
National Aerospace Standard NAS671-6 Steel Nut, Plain, Hexagon
Approvals and Conformities NSN 5310-00-631-1294 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN EAR99 Manufacturer P/N NAS671-6 Schedule B Code 7318.16.0000 Pack Quantity 1 Material Steel National Aerospace Standa
National Aerospace Standard NAS671-8 Steel Nut, Plain, Hexagon
Approvals and Conformities NSN 5310-00-725-4712 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN EAR99 Manufacturer P/N NAS671-8 Schedule B Code 7318.16.0000 Pack Quantity 1 Material Steel National Aerospace Standa
National Aerospace Standard NAS671B6 Brass Nut, Plain, Hexagon
Approvals and Conformities NSN 5310-00-845-7736 Product Attributes Country of Origin United States Shipping Weight 0.27 pounds ECCN EAR99 Manufacturer P/N NAS671B6 Schedule B Code 7318.16.0000 Pack Quantity 1 Material Brass National Aerospace Standar
National Aerospace Standard NAS671C4 Stainless Steel Nut, Plain, Hexagon
Approvals and Conformities NSN 5310-00-595-6761 Product Attributes Country of Origin United States Shipping Weight 0.001 pounds ECCN EAR99 Manufacturer P/N NAS671C4 Schedule B Code 7318.16.0000 Pack Quantity 1 Material Stainless Steel National Aerosp
National Aerospace Standard NAS671C4 Stainless Steel Nut, Plain, Hexagon - 9/Pack
Approvals and Conformities NSN 5310-00-595-6761 Product Attributes Country of Origin United States Shipping Weight 0.009000000000000001 pounds ECCN EAR99 Manufacturer P/N NAS671C4 Schedule B Code 7318.16.0000 Pack Quantity 9 Material Stainless Steel