Film Back Door

Assembly

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Hinged light-tight door whose sprung pressure plate holds the film flat against the gate rails during exposure.

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

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Hinged light-tight door whose sprung pressure plate holds the film flat against the gate rails during exposure. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Film Back Door parts and their functions

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

Film Back Door parts diagram: 1 door panel, 2 pressure plate, 3 coil spring, 4 light seal foam, 5 door latch. 6 parts in 5 top-level items. — Film Back Door 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	Door Panel	1×	Stamped steel back panel hinged on the rewind side, often with a memo holder for the film-box end.
2	Pressure Plate	1×	Polished sprung plate that presses the film against the outer gate rails, keeping the emulsion in the focal plane to within hundredths of a millimetre.
3	Coil Spring	2×	Pressure plate leaf springs
4	Light Seal Foam	1×	Foam and yarn strips in the door channels that block light leaks around the hinge and latch edges.
5	Door Latch	1×	Latch released by pulling up the rewind crank, popping the door for film loading.

3D model

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Build & assembly graph

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Bill of materials for Film Back Door

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	Door Panel	film-camera-35mm-door-panel	1×	1	·	part
2	Pressure Plate	film-camera-35mm-pressure-plate	1×	1	·	part
3	Coil Spring	coil-spring	2×	2	·	part
4	Light Seal Foam	film-camera-35mm-light-seals	1×	1	·	part
5	Door Latch	film-camera-35mm-door-latch	1×	1	·	part

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Where the film back door is used

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

Imaging & Optics 1 35mm Film SLR Camera

Used in 1 assembly

35mm Film SLR Camera

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