Hardware
Hydraulic fittings 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.
498 owned part identities in this path
Identifier first
Hydraulic fittings 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 → Hydraulic fittings 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 Hydraulic fittings-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.
498 PartsPerk-owned parts in Hydraulic fittings
Military Standard MS21914-3 Steel Cap, Tube
Pack Quantity 1
Military Standard MS21914-4W Aluminum Cap, Tube
Pack Quantity 1
Military Standard MS21914-5D Aluminum Cap, Tube
Pack Quantity 1
Military Standard MS21914-6 steel Cap, Tube
Pack Quantity 1
Military Standard MS21914-6W Aluminum Cap, Tube
Pack Quantity 1
Military Standard MS21914-8D Aluminum Cap, Tube
Pack Quantity 1
Military Standard MS21914-8W Aluminum Cap, Tube
Pack Quantity 1
Military Standard MS21914V5P Crescent Steel Cap, Tube
Pack Quantity 1
Military Standard MS21916-4-3 Steel Reducer, Boss
Pack Quantity 1
Military Standard MS21916D10-6 Aluminum Reducer, Boss
Approvals and Conformities NSN 4730-00-640-5856 Alternate PN#s AS21916D10-6 Product Attributes Country of Origin United States Shipping Weight 0.05 pounds ECCN 9A991.d Color Family Green Manufacturer P/N MS21916D10-6 Schedule B Code 7326.90.8688 Pack
Military Standard MS21916J4-2 Stainless Steel Reducer, Boss
Pack Quantity 1
Military Standard MS21916J6-4 Stainless Steel Reducer, Boss
Pack Quantity 1
Military Standard MS21916J8-6 Stainless Steel Reducer, Boss
Pack Quantity 1
Military Standard MS21916K8-4 Stainless Steel Reducer, Boss
Pack Quantity 1
Military Standard MS21916V10-8P Stainless Steel Reducer, Boss
Pack Quantity 1
Military Standard MS21916W8-6 Aluminum Reducer, Boss
Pack Quantity 1
Military Standard MS21921-10D Aluminum Nut, Tube Coupling - 2/Pack
Military Standard MS21921-16D Aluminum Nut, Tube Coupling
Approvals and Conformities NSN 4730-00-555-8196 MIL-SPEC# MIL-F-18280 Product Attributes Country of Origin United States Size 1" Shipping Weight 0.001 pounds ECCN EAR99 Color Family Green Manufacturer P/N MS21921-16D Schedule B Code 7609.00.0000 Pack
Military Standard MS21921-3 Steel Nut, Tube Coupling
Military Standard MS21921-3D Aluminum Nut, Tube Coupling
Military Standard MS21921-4D Aluminum Nut, Tube Coupling - 10/Pack
Approvals and Conformities NSN 4730-01-254-9841 MIL-SPEC# MIL-F-18280 Product Attributes Country of Origin United States Size 1/4" Shipping Weight 0.01 pounds ECCN EAR99 Color Family Green Manufacturer P/N MS21921-4D Schedule B Code 7609.00.0000 Pack
Military Standard MS21921-4J Stainless Steel Nut, Tube Coupling
Military Standard MS21921-6D Aluminum Nut, Tube Coupling
Military Standard MS21921-6R Stainless Steel Nut, Tube Coupling - 2/Pack
Pack Quantity 2

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