SCREW (P/N s1021z4-4j) - New Surplus

The s1021z4-4j is a steel aircraft screw for mechanical fastening in airframe and systems applications. This fastener secures brackets, panels, and non-structural equipment using threaded engagement. Manufactured to aerospace standards (AN, MS, or NAS), the screw provides reliable clamp-up for access fittings and component mounting.

Selection requires matching length and thread specifications to aircraft documentation. Installation follows Aircraft Maintenance Manual (AMM) torque requirements to ensure proper fastening without over-tightening or component damage.

What is the SCREW (P/N s1021z4-4j)?

The s1021z4-4j is a steel aircraft screw for mechanical fastening in airframe and systems applications. This fastener secures brackets, panels, and non-structural equipment using threaded engagement.

Does the s1021z4-4j meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The SCREW conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.

What material is the s1021z4-4j manufactured from?

Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the s1021z4-4j.

Can I order the s1021z4-4j in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The SCREW is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.