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Aerospace Fittings

The standard fitting material is CRES and Aluminum.
Airframe
Rockets
Space

R270 (510 Series) Straight Flared Fittings

R270 (510 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
Weight
(Grams) ALUM
4 Y40004-39 7/16-20 9.4 26.7 14.3 14 NA 26 9
6 Y40006-39 9/16-18 9.5 32.5 17.5 16.5 NA 45 15.5
8 Y40008-39 3/4-16 11.1 36.6 22.2 21.8 NA 73 25.5
10 Y40010-39 7/8-14 13.1 40.1 25.4 24.1 NA 114 39.5
12 Y40012-39 1-1/16-12 14.3 44.2 31.8 32.5 NA 155 53.5
16 Y40016-39 1-5/16-12 15.7 45.5 38.1 37.3 NA 222 76.5

Notes: Fitting Material Code: "-39"=CRES; "-40"=Aluminum

R270 (510 Series) 45° Elbow Flared Fittings

R270 (510 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
Weight
(Grams) ALUM
4 Y40104-39 7/16-20 9.4 36.6 14.3 14 8.800000000000001 27.5 9.5
6 Y40106-39 9/16-18 9.5 47.2 17.5 16.5 12 45.5 15.8
8 Y40108-39 3/4-16 11.1 55.4 22.2 21.8 14.5 80 27.5
10 Y40110-39 7/8-14 13.1 61.5 25.4 24.1 16.3 127 44
12 Y40112-39 1-1/16-12 14.3 70.40000000000001 31.8 32.5 17.3 180 62
16 Y40116-39 1-5/16-12 15.7 77.5 38.1 37.3 20.1 272 93.5

Notes: Fitting material code: "-39"=CRES; "-40"=Aluminum

R270 (510 Series) 90° Elbow Flared Fittings

R270 (510 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
Weight
(Grams) ALUM
4 Y40204-39 7/16-20 9.4 31.5 14.3 14 16.3 27.5 9.5
6 Y40206-39 9/16-18 9.5 39.6 17.5 16.5 22.6 51 17.5
8 Y40208-39 3/4-16 11.1 47 22.2 21.8 28.1 85 29.5
10 Y40210-39 7/8-14 13.1 50.8 25.4 24.1 32.5 134 46
12 Y40212-39 1-1/16-12 14.3 64.3 31.8 32.5 35.7 190 65.5
16 Y40216-39 1-5/16-12 15.7 72.90000000000001 38.1 37.3 43.4 298 102.5

Notes: Fitting material code: "-39"=CRES; "-40"=Aluminum

R270 (510 Series) Straight Flared Fittings

R270 (510 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
Weight
(LB) ALUM
4 Y40004-39 7/16-20 0.372 1.05 0.5620000000000001 0.55 NA 0.06 0.02
6 Y40006-39 9/16-18 0.375 1.28 0.6879999999999999 0.65 NA 0.1 0.03
8 Y40008-39 3/4-16 0.438 1.44 0.875 0.86 NA 0.16 0.1
10 Y40010-39 7/8-14 0.515 1.58 1 0.95 NA 0.25 0.1
12 Y40012-39 1-1/16-12 0.5620000000000001 1.74 1.25 1.28 NA 0.34 0.1
16 Y40016-39 1-5/16-12 0.62 1.79 1.5 1.47 NA 0.49 0.2

Notes: Fitting Material Code: "-39"=CRES; "-40"=Aluminum

R270 (510 Series) 45° Elbow Flared Fittings

R270 (510 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
Weight
(LB) ALUM
4 Y40104-39 7/16-20 0.372 1.44 0.5620000000000001 0.55 0.347 0.06 0.02
6 Y40106-39 9/16-18 0.375 1.86 0.6879999999999999 0.65 0.471 0.1 0.03
8 Y40108-39 3/4-16 0.438 2.18 0.875 0.86 0.572 0.18 0.1
10 Y40110-39 7/8-14 0.515 2.42 1 0.95 0.643 0.28 0.1
12 Y40112-39 1-1/16-12 0.5620000000000001 2.77 1.25 1.28 0.68 0.4 0.1
16 Y40116-39 1-5/16-12 0.62 3.05 1.5 1.47 0.79 0.6 0.2

Notes: Fitting material code: "-39"=CRES; "-40"=Aluminum

R270 (510 Series) 90° Elbow Flared Fittings

R270 (510 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
Weight
(LB) ALUM
4 Y40204-39 7/16-20 0.372 1.24 0.5620000000000001 0.55 0.642 0.06 0.02
6 Y40206-39 9/16-18 0.375 1.56 0.6879999999999999 0.65 0.89 0.11 0.04
8 Y40208-39 3/4-16 0.438 1.85 0.875 0.86 1.107 0.19 0.1
10 Y40210-39 7/8-14 0.515 2 1 0.95 1.281 0.3 0.1
12 Y40212-39 1-1/16-12 0.5620000000000001 2.53 1.25 1.28 1.405 0.42 0.1
16 Y40216-39 1-5/16-12 0.62 2.87 1.5 1.47 1.708 0.66 0.2

Notes: Fitting material code: "-39"=CRES; "-40"=Aluminum

R270 (510 Series) Straight Flareless Fittings

R270 (510 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
Weight
(LB) ALUM
4 Y40404-30 7/16-20 0.32 1.11 0.5620000000000001 0.55 NA 0.155 0.06 0.02
6 Y40406-30 9/16-18 0.326 1.33 0.6879999999999999 0.65 NA 0.164 0.1 0.04
8 Y40408-30 3/4-16 0.368 1.52 0.875 0.86 NA 0.189 0.17 0.1
10 Y40410-30 7/8-14 0.396 1.71 1 0.95 NA 0.201 0.27 0.1
12 Y40412-30 1-1/16-12 0.421 1.89 1.25 1.28 NA 0.228 0.37 0.1
16 Y40416-30 1-5/16-12 0.425 2 1.5 1.47 NA 0.297 0.55 0.2

Notes: Fitting Material Code: "-30"=CRES; "-31"=Aluminum Fitting Material Code: "-30"=CRES; "-31"=Aluminum

R270 (510 Series) 45° Elbow Flareless Fittings

R270 (510 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
Weight
(LB) ALUM
4 Y40504-30 7/16-20 0.32 1.52 0.5620000000000001 0.55 0.419 0.11 0.07000000000000001 0.03
6 Y40506-30 9/16-18 0.326 1.93 0.6879999999999999 0.65 0.544 0.116 0.11 0.04
8 Y40508-30 3/4-16 0.368 2.16 0.875 0.86 0.602 0.134 0.18 0.1
10 Y40510-30 7/8-14 0.396 2.54 1 0.95 0.735 0.142 0.28 0.1
12 Y40512-30 1-1/16-12 0.421 2.87 1.25 1.28 0.735 0.161 0.43 0.2
16 Y40516-30 1-5/16-12 0.425 3.19 1.5 1.47 0.9360000000000001 0.21 0.65 0.2

Notes: Fitting Material Code: "-30"=CRES; "-31"=Aluminum Fitting Material Code: "-30"=CRES; "-31"=Aluminum

R270 (510 Series) 90° Elbow Flareless Fittings

R270 (510 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
Weight
(LB) ALUM
4 Y40604-30 7/16-20 0.32 1.24 0.5620000000000001 0.55 0.744 0.155 0.07000000000000001 0.03
6 Y40606-30 9/16-18 0.326 1.63 0.6879999999999999 0.65 0.995 0.164 0.12 0.04
8 Y40608-30 3/4-16 0.368 1.85 0.875 0.86 1.149 0.189 0.2 0.1
10 Y40610-30 7/8-14 0.396 2.19 1 0.95 1.411 0.201 0.31 0.1
12 Y40612-30 1-1/16-12 0.421 2.61 1.25 1.28 1.485 0.228 0.45 0.2
16 Y40616-30 1-5/16-12 0.425 3.03 1.5 1.47 1.914 0.297 0.73 0.3

Notes: Fitting Material Code: "-30"=CRES; "-31"=Aluminum Fitting Material Code: "-30"=CRES; "-31"=Aluminum

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