This specification establishes requirements for a coupling foruse with low pressure, low and medium high temperature, airducts.
Types – Couplings shall be of two types as follows:
Type I. – 450 Deg. F., NAS520; Type II. – 250 Deg. F.,NAS521
Sizes – Couplings shall be of the sizes specified on theapplicable NAS drawing.
- Edition:
- 1
- Published:
- 12/05/1996
- Number of Pages:
- 7
- File Size:
- 1 file , 380 KB
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