Page 388 - ParkerBrassCatalog2010

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Parker Hannifn Corporation
Parker Brass Products Division
Otsego, Michigan
Catalog 3501E
General Technical
N8
N
Abbreviation
Description
Applicable Std.
Metric Threads
M
Metric Screw Threads — M profle
ISO 261
ANSI B1.13M
FED-STD-H28/21
M — Keg
Metric Taper Threads (mainly used in Germany)
DIN 158
British Standard
Pipe Threads
R (BSPT)
British Standard Taper Pipe Threads, External
BS 21
ISO 7/1
Rc (BSPT)
British Standard Taper Pipe Threads, Internal
BS 21
ISO 7/1
Rp or G (BSPP)
British Standard Pipe (Parallel) Threads
BS 2779
ISO 228/1
Japanese Standard
Pipe Threads
PF
1)
JIS Parallel Pipe Threads
JIS B202
ISO 228/1
PT
1)
JIS Taper Pipe Threads
JIS B203
ISO 7/1
PS
JIS Parallel Internal Pipe Threads (to mate with PT threads)
JIS B203
Table A48 (Cont'd) — Thread Designations and Standards for Threads Used in Fluid Connectors
1) PF and PT threads are functionally interchangeable with BSPP and BSPT threads, respectively.
These are old designations. They are being replaced with G (for PF) and R and Rc (for PT) as documents are revised.
Straight Thread Size Comparison Chart
.D.OebuT
8/1
61/3
4/1
61/5
8/3
61/7
2/1
8/5
4/3
8/7
1
54EAS
°
deralF
61/5
42-
8/3
42-
61/7
02-
2/1
02-
8/5
81-
61/11
61-
4/3
61-
8/7
41-
61/1-1
41-
4/1-1
21-
-
detrevnI
deralF
61/5
82-
8/3
42-
61/7
42-
2/1
02-
8/5
81-
61/11
81-
4/3
81-
8/7
81-
61/1-1
61-
61/3-1
61-
-
ATN/ekarBriA
-
-
61/7
42-
-
23/71
42-
-
61/11
02-
61/31
81-
1
81-
-
4/11
61-
/.pmoC.dtS
ngilA-sserpmoC
61/5
42-
8/3
42-
61/7
42-
2/1
42-
61/9
42-
8/5
42-
61/11
02-
61/31
81-
1
81-
8/1-1
81-
4/11
81-
etiT-yloP
61/5
42-
8/3
42-
8/3
42-
61/7
42-
2/1
42-
-
61/11
02-
-
-
-
-
koL-arbiV
8/3
42-
61/7
42-
2/1
42-
61/9
42-
8/5
42-
-
61/31
81-
1
81-
8/1-1
81-
-
-
sevlaVllaB015V
-
-
61/7
02-
-
61/9
81-
-
4/3
61-
8/7
41-
61/1-1
21-
-
61/5-1
21-
sseleralFytuD-iH
sgnittiFebuT
61/5
42-
8/3
42-
61/7
42-
2/1
02-
61/9
02-
-
61/11
61-
8/7
81-
-
-
-