43-400
For 43-400, specification type is neck_finish; description is 43 mm neck, 400 series (1 thread turn); primary dimension is T max 42.00 mm, T min 41.25 mm; secondary dimension is E max 39.62 mm, E min 38.86 mm; equivalence or compatibility note is 1 Thread turn, recorded from its source on 2026-08-12.
- Specification ID
- 43-400
- Specification type
- neck_finish our reading
- Description
- 43 mm neck, 400 series (1 thread turn)
- Primary dimension
- T max 42.00 mm, T min 41.25 mm
- Secondary dimension
- E max 39.62 mm, E min 38.86 mm
- Equivalence or compatibility note
- 1 Thread turn
- Additional data
- 400H max 10.62 mm, 400H min 9.86 mm; S max 1.55 mm, S min 0.79 mm; I min 29.60 mm; 6 threads/in.
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
43 | 42.00 | 41.25 | 39.62 | 38.86 | 10.62 | 9.86 | | | | | 1.55 | 0.79 | 29.60 | 6
— contapack.com.au, retrieved 2026-08-12
Source
- contapack.com.auhttps://www.contapack.com.au/SPI-Neck-Finishes.html