Mast Structure

Assembly

Aluminium melting crucible casting process.jpg · Commons ↗ Report photo

The telescoping or single-stage mast, housed entirely in the sail, that lifts the head several meters above the waterline without penetrating the pressure hull.

Direct parts	5
Total parts	6
Used in	1 assembly
Class	Assembly

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The telescoping or single-stage mast, housed entirely in the sail, that lifts the head several meters above the waterline without penetrating the pressure hull. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Mast Structure parts and their functions

5 top-level parts · 6 parts in total · full bill of materials below

Mast Structure parts diagram: 1 mast tube, 2 hydrodynamic fairing, 3 guide bearing set, 4 mast seal set, 5 fastener set. 6 parts in 5 top-level items. — Mast Structure parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Mast Tube	2×	Nested stages
2	Hydrodynamic Fairing	1×	Teardrop composite shroud that cuts the raised mast's wake and feather, the visual signature that betrays a periscope.
3	Guide Bearing Set	1×	Polymer slide bearings in the sail structure that hold the mast rigid against drag loads at periscope-depth speeds.
4	Mast Seal Set	1×	Wiper and pressure seals at each stage that exclude seawater from the hoist well as the mast cycles.
5	Fastener Set	1×	Bolts, nuts, and washers.

3D model

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Build & assembly graph

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Bill of materials for Mast Structure

5 top-level lines · 5 rows shown · 6 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Mast Tube	periscope-mast-tube	2×	2	·	part
2	Hydrodynamic Fairing	periscope-fairing	1×	1	·	part
3	Guide Bearing Set	periscope-guide-bearings	1×	1	·	part
4	Mast Seal Set	periscope-mast-seals	1×	1	·	part
5	Fastener Set	fastener-set	1×	1	·	part

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Where the mast structure is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Defense & Security 1 Optronic Periscope Mast

Used in 1 assembly

Optronic Periscope Mast

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$200. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇮🇳Bharat Forge bharatforge.com ↗	Pune, IN	Forgings & metal parts	500 pcs	6–10 wks
🇨🇳CITIC Dicastal dicastal.com ↗	Qinhuangdao, CN	Aluminium castings & wheels	500 pcs	6–10 wks
🇮🇳Tata AutoComp tataautocomp.com ↗	Pune, IN	Auto components	500 pcs	6–10 wks
🇸🇬Beyonics beyonics.com ↗	Singapore	Precision metal & mfg	500 pcs	6–10 wks
🇮🇳Sundaram Clayton sundaram-clayton.com ↗	Chennai, IN	Die castings	500 pcs	6–10 wks