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Aerospace Fittings

The standard fitting material is CRES.
Auxillary Power Unit Fuel Feed

RM190 (190 Series) Straight Flared Fittings

RM 190 (190 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 Y40004-88 7/16-20 9.4 24.1 14.3 14 NA 22.7
6 Y40006-88 9/16-18 9.4 30.1 17.4 17.8 NA 36.7
8 Y40008-88 3/4-16 11.1 33 22.2 21.1 NA 52.2

RM190 (190 Series) 45° Elbow Flared Fittings

RM 190 (190 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 Y40104-88 7/16-20 9.4 36.7 14.3 14 8.800000000000001 24.5
6 Y40106-88 9/16-18 9.4 46.8 17.4 17.8 12 42.2
8 Y40108-88 3/4-16 11.1 55.7 22.2 21.1 14.5 59

RM190 (190 Series) 90° Elbow Flared Fittings

RM 190 (190 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 Y40204-88 7/16-20 29.6 36.7 14.3 14 16.3 25.4
6 Y40206-88 9/16-18 38.4 46.8 17.4 17.8 22.4 43.5
8 Y40208-88 3/4-16 45.2 55.7 22.2 21.1 26.3 61.7

RM190 (190 Series) Straight Flared Fittings

RM 190 (190 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 Y40004-88 7/16-20 0.372 .950 0.5620000000000001 0.55 NA 0.05
6 Y40006-88 9/16-18 0.369 1.185 0.6870000000000001 1.7 NA 0.081
8 Y40008-88 3/4-16 0.438 1.3 0.875 1.83 NA 0.115

RM190 (190 Series) 45° Elbow Flared Fittings

RM 190 (190 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 Y40104-88 7/16-20 0.372 1.445 0.5620000000000001 0.55 0.347 0.054
6 Y40106-88 9/16-18 0.369 1.841 0.6870000000000001 0.7 0.471 0.093
8 Y40108-88 3/4-16 0.438 2.191 0.875 0.83 0.572 0.13

RM190 (190 Series) 90° Elbow Flared Fittings

RM 190 (190 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 Y40204-88 7/16-20 0.372 1.165 0.5620000000000001 0.55 0.642 0.056
6 Y40206-88 9/16-18 0.369 1.511 0.6870000000000001 0.7 0.882 0.096
8 Y40208-88 3/4-16 0.438 1.781 0.875 0.83 1.037 0.136

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