PulsarHydraulics12thEdition

THREAD DIMENSIONS

BRITISH STANDARD PIPE (BSP)

PIPE THREAD (NPTF, NPSM)

Dash Size

Pipe Size 1 ⁄ 8 "

Pitch

Male

Female

Dash Size

Pipe Size 1 ⁄ 8 "

Pitch

Male

Female

(threads per inch)

Thread O.D.

Thread I.D.

(threads per inch)

Thread O.D.

Thread I.D.

-02 -04 -06 -08 -12 -16 -20 -24 -32

27 18 18 14 14

0.41" 0.54 0.68 0.84 1.06 1.31 1.66 1.90 2.38

0.37" 0.49 0.62 0.76 0.98 1.24 1.58 1.82 2.28

-02 -04 -06 -08 -10 -12 -16 -20 -24 -32

28 19 19 14 14 14 11 11 11 11

0.38" 0.52 0.65 0.82 0.88 1.04 1.30 1.65 1.88 2.35

0.35" 0.47 0.60 0.75 0.80 0.97 1.22 1.56 1.79 2.26

1 ⁄ 4 3 ⁄ 8 1 ⁄ 2 3 ⁄ 4

1 ⁄ 4 3 ⁄ 8 1 ⁄ 2 5 ⁄ 8 3 ⁄ 4

11 1 ⁄ 2 11 1 ⁄ 2 11 1 ⁄ 2 11 1 ⁄ 2

1

1 1 ⁄ 4 1 1 ⁄ 2

1

1 1 ⁄ 4 1 1 ⁄ 2

2

2

JIC 37° FLARE

SAE 45° FLARE

Dash Size

Pipe Size

Pitch

Male

Female

Dash Size

Pipe Size

Pitch

Male

Female

(threads per inch)

Thread O.D.

Thread I.D.

(threads per inch)

Thread O.D.

Thread I.D.

-02 -03 -04 -05 -06 -08 -10 -12 -14 -16 -20 -24 -32

5 ⁄ 16 -24 3 ⁄ 8 -24 7 ⁄ 16 -20 1 ⁄ 2 -20 9 ⁄ 16 -18 3 ⁄ 4 -16 7 ⁄ 8 -14 1 1 ⁄ 16 -12 1 3 ⁄ 16 -12 1- 5 ⁄ 16 -12 1- 5 ⁄ 8 -12 1- 7 ⁄ 8 -12 2- 1 ⁄ 2 -12

24 24 20 20 18 16 14 12 12 12 12 12 12

0.31" 0.38 0.44 0.50 0.56 0.75 0.88 1.06 1.19 1.31 1.63 1.88 2.50

0.27" 0.34 0.39 0.45 0.51 0.69 0.81 0.98 1.11 1.23 1.54 1.79 2.42

-02 -03 -04 -05 -06 -08 -10 -12 -14 -16

5 ⁄ 16 -24 3 ⁄ 8 -24 7 ⁄ 16 -20 1 ⁄ 2 -20 5 ⁄ 8 -18 3 ⁄ 4 -16 7 ⁄ 8 -14 1 1 ⁄ 16 -14 1 1 ⁄ 4 -12 1 3 ⁄ 8 -12

24 24 20 20 18 16 14 14 12 12

0.31" 0.38 0.44 0.50 0.63 0.75 0.88 1.06 1.25 1.38

0.27" 0.34 0.39 0.45 0.56 0.68 0.80 0.99 1.16 1.28

O-RING BOSS (ORB)

INVERTED FLARE

Dash Size

Thread

Pitch

Male

Female

Dash Size

Thread

Pitch

Male

Female

Size

(threads per inch)

Thread O.D.

Thread I.D.

Size

(threads per inch)

Thread O.D.

Thread I.D.

-02 -03 -04 -05 -06 -08 -10 -12 -14 -16 -20 -24 -32

5 ⁄ 16 -24 3 ⁄ 8 -24 7 ⁄ 16 -20 1 ⁄ 2 -20 9 ⁄ 16 -18 3 ⁄ 4 -16 7 ⁄ 8 -14

24 24 20 20 18 16 14 12 12 12 12 12 12

0.31" 0.38 0.44 0.50 0.56 0.75 0.88 1.06 1.19 1.31 1.63 1.88 2.50

0.27" 0.34 0.39 0.45 0.51 0.69 0.81 0.98 1.11 1.23 1.54 1.79 2.42

-02 -03 -04 -05 -06 -07 -08 -10 -12

5 ⁄ 16 -28 3 ⁄ 8 -24 7 ⁄ 16 -24 1 ⁄ 2 -20 5 ⁄ 8 -18 11 ⁄ 16 -18

28 24 24 20 18 18 18 18 16

0.31" 0.38 0.44 0.50 0.63 0.69 0.75 0.88 1.06

0.27" 0.34 0.39 0.45 0.56 0.62 0.68 0.80 0.99

3 ⁄ 4 -18 7 ⁄ 8 -18

1- 1 ⁄ 16 -12 1- 3 ⁄ 16 -12 1- 5 ⁄ 16 -12 1- 5 ⁄ 8 -12 1- 7 ⁄ 8 -12 2- 1 ⁄ 2 -12

1 1 ⁄ 16 -16

JAPANESE 30° (JIS) FLARE

O-RING FACE SEAL (ORFS)

Dash Size

Thread

Pitch

Male

Female

Dash Size

Thread

Pitch

Male

Female

Size

(threads per inch)

Thread O.D.

Thread I.D.

Size 1 ⁄ 4 "

(threads per inch)

Thread O.D.

Thread I.D.

-04 -06 -08 -10 -12 -16 -20 -24

9 ⁄ 16 -18 11 ⁄ 16 -16 13 ⁄ 16 -16 1 3 ⁄ 16 -12 1 7 ⁄ 16 -12 1 11 ⁄ 16 -12 1-14

18 16 16 14 12 12 12 12

0.56" 0.69 0.81 1.00 1.19 1.44 1.69 2.00

0.51" 0.63 0.75 0.93 1.11 1.36 1.61 1.92

-04 -06 -08 -10 -12 -16 -20 -24 -32

19 19 14 14 14 11 11 11 11

0.52" 0.65 0.82 0.88 1.04 1.30 1.65 1.88 2.35

0.47" 0.60 0.75 0.80 0.97 1.22 1.56 1.79 2.26

3 ⁄ 8 1 ⁄ 2 5 ⁄ 8 3 ⁄ 4

1

Tech Info

1 1 ⁄ 4 1 1 ⁄ 2

2-12

2

211

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