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Aerospace Fittings

The standard fitting material is CRES. Titanium is also available for weight savings.
Hydraulic High Pressure Pump System

R157 (660 Series) Straight Flared Fittings

R157 (660 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Collar Hex Size
(D)
Drop
(E)
Weight
(Grams) CRES
4 Y40004-22 7/16-20 9.4 38.4 14.3 22.2 NA 30
6 Y40006-22 9/16-18 9.5 45.7 17.5 25.4 NA 54
8 Y40008-22 3/4-16 11.1 51.8 22.2 30.5 NA 89
10 Y40010-22 7/8-14 13.1 58.7 25.4 35.7 NA 113
12 Y40012-22 1-1/16-12 14.3 63.2 31.8 42.8 NA 199
16 Y40016-22 1-5/16-12 15.7 67.8 38.1 50.8 NA 294.5

R157 (660 Series) 45° Elbow Flared Fittings

R157 (660 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Collar Hex Size
(D)
Drop
(E)
Weight
(Grams) CRES
4 Y40104-24 7/16-20 9.4 48.3 14.3 22.2 8.800000000000001 33.5
6 Y40106-24 9/16-18 9.5 57.2 17.5 25.4 12 61
8 Y40108-24 3/4-16 11.1 67.3 22.2 30.5 14.5 99
10 Y40110-24 7/8-14 13.1 81 25.4 35.7 16.3 135.5
12 Y40112-24 1-1/16-12 14.3 90.40000000000001 31.8 42.8 17.3 224.5
16 Y40116-24 1-5/16-12 15.7 110.5 38.1 50.8 20.1 327

R157 (660 Series) 90° Elbow Flared Fittings

R157 (660 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Collar Hex Size
(D)
Drop
(E)
Weight
(Grams) CRES
4 Y40204-24 7/16-20 9.4 40.1 14.3 22.2 16.3 33.5
6 Y40206-24 9/16-18 9.5 45.7 17.5 25.4 22.6 63
8 Y40208-24 3/4-16 11.1 61 22.2 30.5 28.1 103
10 Y40210-24 7/8-14 13.1 77.2 25.4 35.7 32.5 142.5
12 Y40212-24 1-1/16-12 14.3 85.09999999999999 31.8 42.8 35.7 240.5
16 Y40216-24 1-5/16-12 15.7 108.2 38.1 50.8 46.6 379.5

R157 (660 Series) Straight Flared Fittings

R157 (660 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Collar Hex Size
(D)
Drop
(E)
Weight
(LB) CRES
4 Y40004-22 7/16-20 0.372 1.51
6 Y40006-22 9/16-18 0.375 1.8
8 Y40008-22 3/4-16 0.438 2.04
10 Y40010-22 7/8-14 0.515 2.31
12 Y40012-22 1-1/16-12 0.5620000000000001 2.49
16 Y40016-22 1-5/16-12 0.62 2.67

R157 (660 Series) 45° Elbow Flared Fittings

R157 (660 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Collar Hex Size
(D)
Drop
(E)
Weight
(LB) CRES
4 Y40104-24 7/16-20 0.372 1.9 0.5620000000000001 .875 0.348 0.1
6 Y40106-24 9/16-18 0.375 2.25 0.6879999999999999 1 0.471 0.1
8 Y40108-24 3/4-16 0.438 2.65 0.875 1.2 0.572 0.2
10 Y40110-24 7/8-14 0.515 3.19 1 1.406 0.643 0.3
12 Y40112-24 1-1/16-12 0.5620000000000001 3.56 1.25 1.687 0.68 0.5
16 Y40116-24 1-5/16-12 0.62 4.35 1.5 2 0.79 0.7

R157 (660 Series) 90° Elbow Flared Fittings

R157 (660 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Collar Hex Size
(D)
Drop
(E)
Weight
(LB) CRES
4 Y40204-24 7/16-20 0.372 1.58 0.5620000000000001 .875 0.642 0.1
6 Y40206-24 9/16-18 0.375 1.8 0.6879999999999999 1 0.89 0.1
8 Y40208-24 3/4-16 0.438 2.4 0.875 1.2 1.107 0.2
10 Y40210-24 7/8-14 0.515 3.04 1 1.406 1.281 0.3
12 Y40212-24 1-1/16-12 0.5620000000000001 3.35 1.25 1.687 1.405 0.5
16 Y40216-24 1-5/16-12 0.62 4.26 1.5 2 1.833 0.8

R157 (660 Series) Straight Flareless Fittings

R157 (660 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Collar Hex Size
(D)
Drop
(E)
Gage Point
(F)
Weight
(LB) CRES
4 Y40404-62 7/16-20 0.32 1.56 0.5620000000000001 .875 NA 0.155 0.1
6 Y40406-62 9/16-18 0.327 1.8 0.6879999999999999 1 NA 0.164 0.1
8 Y40408-62 3/4-16 0.368 2.06 0.875 1.2 NA 0.189 0.2
10 Y40410-62 7/8-14 0.396 2.44 1 1.406 NA 0.201 0.3
12 Y40412-62 1-1/16-12 0.421 2.56 1.25 1.687 NA 0.228 0.5
16 Y40416-62 1-5/16-12 0.425 3 1.5 2 NA 0.297 0.7

R157 (660 Series) 45° Elbow Flareless Fittings

R157 (660 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Collar Hex Size
(D)
Drop
(E)
Gage Point
(F)
Weight
(LB) CRES
4 Y40504-64 7/16-20 0.32 2.17 0.5620000000000001 .875 0.418 0.11 0.1
6 Y40506-64 9/16-18 0.327 2.68 0.6879999999999999 1 0.544 0.116 0.1
8 Y40508-64 3/4-16 0.368 3.11 0.875 1.2 0.601 0.134 0.2
10 Y40510-64 7/8-14 0.396 3.59 1 1.406 0.736 0.142 0.3
12 Y40512-64 1-1/16-12 0.421 3.67 1.25 1.687 0.735 0.161 0.5
16 Y40516-64 1-5/16-12 0.425 4.445 1.5 2 0.9360000000000001 0.21 0.8

R157 (660 Series) 90° Elbow Flareless Fittings

R157 (660 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Collar Hex Size
(D)
Drop
(E)
Gage Point
(F)
Weight
(LB) CRES
4 Y40604-64 7/16-20 0.32 1.58 0.5620000000000001 .875 0.744 0.155 0.1
6 Y40606-64 9/16-18 0.327 1.8 0.6879999999999999 1 0.995 0.164 0.1
8 Y40608-64 3/4-16 0.368 2.4 0.875 1.2 1.149 0.189 0.2
10 Y40610-64 7/8-14 0.396 3.04 1 1.406 1.411 0.201 0.3
12 Y40612-64 1-1/16-12 0.421 3.35 1.25 1.687 1.485 0.228 0.6
16 Y40616-64 1-5/16-12 0.425 4.26 1.5 2 1.914 0.297 0.9

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