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Aerospace Fittings

The standard fitting material is CRES or Inconel®. 
Oxygen Lines
Rockets
Space

S145 (245 Series) Straight Flared Fittings

S145 (S145 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Ref
(D)
Drop
(E)
Weight
(Grams) CRES
4 Y60004-51 7/16-20 9.4 34 14.3 9.6 NA 18
5 Y60005-51 1/2-20 9.5 35.6 15.9 9.6 NA 27
6 Y60006-51 9/16-18 9.5 37.6 17.5 9.6 NA 29.5
8 Y60008-51 3/4-16 11.1 40.1 22.2 9.6 NA 50
10 Y60010-51 7/8-14 13.1 43.4 25.4 9.6 NA 65.5
12 Y60012-51 1-1/16-12 14.3 46.5 31.8 11.1 NA 115.5
16 Y60016-51 1-5/16-12 15.7 51.3 38.1 12.7 NA 178.5

S145 (245 Series) 45° Elbow Flared Fittings

S145 (S145 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Ref
(D)
Drop
(E)
Weight
(Grams) CRES
4 Y60104-51 7/16-20 9.4 34 14.3 9.6 8.800000000000001 22.5
5 Y60105-51 1/2-20 9.5 35.8 15.9 9.6 10.5 29.5
6 Y60106-51 9/16-18 9.5 38.1 17.5 9.6 12 34
8 Y60108-51 3/4-16 11.1 43.4 22.2 9.6 14.5 54.5
10 Y60110-51 7/8-14 13.1 49 25.4 9.6 16.3 81.5
12 Y60112-51 1-1/16-12 14.3 57.2 31.8 11.1 17.3 136
16 Y60116-51 1-5/16-12 15.7 72.09999999999999 38.1 12.7 20.1 227

S145 (245 Series) 90° Elbow Flared Fittings

S145 (S145 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Ref
(D)
Drop
(E)
Weight
(Grams) CRES
4 Y60204-51 7/16-20 9.4 28.7 14.3 9.6 16.3 22.5
5 Y60205-51 1/2-20 9.5 30 15.9 9.6 19.6 29.5
6 Y60206-51 9/16-18 9.5 31.5 17.5 9.6 22.6 34
8 Y60208-51 3/4-16 11.1 36.1 22.2 9.6 28.1 59
10 Y60210-51 7/8-14 13.1 41.7 25.4 9.6 32.5 86
12 Y60212-51 1-1/16-12 14.3 48.8 31.8 11.1 35.7 136
16 Y60216-51 1-5/16-12 15.7 66.5 38.1 12.7 43.4 258

S145 (245 Series) Straight Flared Fittings

S145 (S145 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Ref
(D)
Drop
(E)
Weight
(LB) CRES
4 Y60004-51 7/16-20 0.372 1.34 0.5620000000000001 0.38 NA 0.04
5 Y60005-51 1/2-20 0.375 1.4 0.625 0.38 NA 0.06
6 Y60006-51 9/16-18 0.375 1.48 0.6879999999999999 0.38 NA 0.065
8 Y60008-51 3/4-16 0.438 1.58 0.875 0.38 NA 0.11
10 Y60010-51 7/8-14 0.515 1.71 1 0.38 NA 0.144
12 Y60012-51 1-1/16-12 0.5620000000000001 1.83 1.25 0.44 NA 0.255
16 Y60016-51 1-5/16-12 0.62 2.02 1.5 0.5 NA 0.394

S145 (245 Series) 45° Elbow Flared Fittings

S145 (S145 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Ref
(D)
Drop
(E)
Weight
(LB) CRES
4 Y60104-51 7/16-20 0.372 1.34 0.5620000000000001 0.38 0.347 0.05
5 Y60105-51 1/2-20 0.375 1.41 0.625 0.38 0.414 0.065
6 Y60106-51 9/16-18 0.375 1.5 0.6879999999999999 0.38 0.471 0.075
8 Y60108-51 3/4-16 0.438 1.71 0.875 0.38 0.572 0.12
10 Y60110-51 7/8-14 0.515 1.93 1 0.38 0.643 0.18
12 Y60112-51 1-1/16-12 0.5620000000000001 2.25 1.25 0.44 0.68 0.3
16 Y60116-51 1-5/16-12 0.62 2.84 1.5 0.5 0.79 0.5

S145 (245 Series) 90° Elbow Flared Fittings

S145 (S145 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Ref
(D)
Drop
(E)
Weight
(LB) CRES
4 Y60204-51 7/16-20 0.372 1.13 0.5620000000000001 0.38 0.642 0.05
5 Y60205-51 1/2-20 0.375 1.18 0.625 0.38 0.773 0.065
6 Y60206-51 9/16-18 0.375 1.24 0.6879999999999999 0.38 0.89 0.075
8 Y60208-51 3/4-16 0.438 1.42 0.875 0.38 1.107 0.13
10 Y60210-51 7/8-14 0.515 1.64 1 0.38 1.281 0.19
12 Y60212-51 1-1/16-12 0.5620000000000001 1.92 1.25 0.44 1.405 0.3
16 Y60216-51 1-5/16-12 0.62 2.62 1.5 0.5 1.708 0.569

S145 (245 Series) Straight Flareless Fittings

S145 (S145 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Ref
(D)
Drop
(E)
Gage Point
(F)
Weight
(LB) CRES
4 Y60404-51 7/16-20 0.32 1.34 0.5620000000000001 0.38 NA 0.155 0.1
5 Y60405-51 1/2-20 0.31 1.4 0.625 0.38 NA 0.157 0.1
6 Y60406-51 9/16-18 0.327 1.48 0.6879999999999999 0.38 NA 0.164 0.1
8 Y60408-51 3/4-16 0.368 1.58 0.875 0.38 NA 0.189 0.1
10 Y60410-51 7/8-14 0.396 1.71 1 0.38 NA 0.201 0.2
12 Y60412-51 1-1/16-12 0.421 1.83 1.25 0.44 NA 0.228 0.4
16 Y60416-51 1-5/16-12 0.425 2.02 1.5 0.5 NA 0.297 0.5

S145 (245 Series) 45° Elbow Flareless Fittings

S145 (S145 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Ref
(D)
Drop
(E)
Gage Point
(F)
Weight
(LB) CRES
4 Y60504-51 7/16-20 0.32 1.62 0.5620000000000001 0.38 0.53 0.11 0.1
5 Y60505-51 1/2-20 0.31 1.75 0.625 0.38 0.554 0.111 0.1
6 Y60506-51 9/16-18 0.327 1.88 0.6879999999999999 0.38 0.58 0.116 0.1
8 Y60508-51 3/4-16 0.368 1.12 0.875 0.38 0.71 0.134 0.1
10 Y60510-51 7/8-14 0.396 2.38 1 0.38 0.912 0.142 0.2
12 Y60512-51 1-1/16-12 0.421 2.69 1.25 0.44 0.984 0.161 0.4
16 Y60516-51 1-5/16-12 0.425 3.19 1.5 0.5 1.025 0.21 0.6

S145 (245 Series) 90° Elbow Flareless Fittings

S145 (S145 Series) Fittings
Hose Size Part Number Nut Thread Size
(T)
Nut Engagement Length
(A)
Reach Max
(B)
Nut Size
(C)
Ref
(D)
Drop
(E)
Gage Point
(F)
Weight
(LB) CRES
4 Y60604-51 7/16-20 0.32 1.18 0.5620000000000001 0.38 0.86 0.155 0.1
5 Y60605-51 1/2-20 0.31 1.24 0.625 0.38 0.873 0.157 0.1
6 Y60606-51 9/16-18 0.327 1.31 0.6879999999999999 0.38 1.01 0.164 0.1
8 Y60608-51 3/4-16 0.368 1.5 0.875 0.38 1.265 0.189 0.1
10 Y60610-51 7/8-14 0.396 1.75 1 0.38 1.671 0.201 0.2
12 Y60612-51 1-1/16-12 0.421 2.06 1.25 0.44 1.84 0.228 0.4
16 Y60616-51 1-5/16-12 0.425 2.5 1.5 0.5 2.03 0.297 0.6

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