38-400
What is the specification type for 38-400?
For 38-400, specification type is neck_finish; description is 38 mm neck, 400 series (1 thread turn); primary dimension is T max 37.50 mm, T min 36.88 mm; secondary dimension is E max 35.10 mm, E min 34.50 mm; equivalence or compatibility note is 1 Thread turn; additional data is 400H max 10.62 mm, 400H min 9.86 mm; S max 1.55 mm, S min 0.79 mm; I min 17.45 mm; 6 threads/in, recorded from its source on 2026-08-12; source re-checked 2026-09-17.
38 | 37.50 | 36.88 | 35.10 | 34.50 | 10.62 | 9.86 | | | | | 1.55 | 0.79 | 17.45 | 6
— contapack.com.au, retrieved 2026-08-12
- Specification ID
- 38-400
- Specification type
- neck_finish our reading
- Description
- 38 mm neck, 400 series (1 thread turn)
- Primary dimension
- T max 37.50 mm, T min 36.88 mm
- Secondary dimension
- E max 35.10 mm, E min 34.50 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 17.45 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.
Source
- contapack.com.auhttps://www.contapack.com.au/SPI-Neck-Finishes.html