Main Tube Stack

Assembly

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Nested aluminum tubes that telescope from 8 feet stowed to 40 feet deployed, each section slightly smaller diameter for sliding fit.

Direct parts	7
Total parts	28
Used in	1 assembly
Class	Assembly

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Nested aluminum tubes that telescope from 8 feet stowed to 40 feet deployed, each section slightly smaller diameter for sliding fit. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Main Tube Stack parts and their functions

7 top-level parts · 28 parts in total · full bill of materials below

Main Tube Stack parts diagram: 1 tube section 1 (base), 2 tube section 2, 3 tube section 3, 4 tube section 4 (top), 5 guide bushing, 6 detent pin, 7 fastener set. 28 parts in 7 top-level items. — Main Tube Stack 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	Tube Section 1 (Base)	1×	Base section, 3" OD, 12 feet length
2	Tube Section 2	1×	Second section, 2.75" OD, 12 feet length
3	Tube Section 3	1×	Third section, 2.5" OD, 10 feet length
4	Tube Section 4 (Top)	1×	Top section, 2.25" OD, 8 feet length
5	Guide Bushing	4×	Bronze or plastic bearing sleeves inside tubes
6	Detent Pin	8×	Locking pins at each extension stop
7	Fastener Set	12×	Pin retention clips and retainer rings

3D model

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Build & assembly graph

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Bill of materials for Main Tube Stack

7 top-level lines · 7 rows shown · 28 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Tube Section 1 (Base)	tactical-antenna-mast-tube-section-1	1×	1	·	part
2	Tube Section 2	tactical-antenna-mast-tube-section-2	1×	1	·	part
3	Tube Section 3	tactical-antenna-mast-tube-section-3	1×	1	·	part
4	Tube Section 4 (Top)	tactical-antenna-mast-tube-section-4	1×	1	·	part
5	Guide Bushing	tactical-antenna-mast-guide-bushing	4×	4	·	part
6	Detent Pin	tactical-antenna-mast-detent-pin	8×	8	·	part
7	Fastener Set	fastener-set	12×	12	·	part

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Where the main tube stack is used

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

Defense & Security 1 Tactical Antenna Mast

Used in 1 assembly

Tactical Antenna 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–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks