Fitting Size Chart


MALE NPT IDENTIFICATION CHART

The line drawings below depict the actual sizes of the various common NPT thread sizes. If you are unsure as to what thread size you are using lay your fitting over the appropriate drawing to determine its size.

npt-chart

MALE AN/ORB ADAPTER IDENTIFICATION CHART
The line drawings below depict the actual sizes of the various common AN/ORB thread sizes. If you are unsure as to what size fitting you have lay your fitting over the appropriate drawing to determine its size. NOTE: - AN and ORB thread are the same diameter. AN seals with the flare, ORB seals with an O-ring.

an-orb-chart

AN HEX OD IDENTIFICATION CHART
The line drawings below depict the actual sizes of the various common types of fittings, hose ends and adapters. The number is SAE spanner size equivalent.

an-hex-chart

NPT (National pipe Thread)

Thread SizeThreads Per InchClosest AN Size
1/16"273
1/8"274
1/4"186
3/8"188
1/2"1410
3/4"1412
1"11-1/216
1-1/4"11-1/220
1-1/2"11-1/224
2"11-1/232

AN NUT

Hex SizesB Nut AN SideS Nut Hose Side
-31/2"1/2"
-49/16"1/4"
-611/16"19/64"
-87/8"7/8"
-101"1-1/16"
-121-1/4"1-3/16"
-161-1/2"1-7/16"
-201-13/16"1-3/4"
   
   

AN THREAD

Thread SizeThread Size SAEThreads Per InchMax Torque ft/lbs
-33/8248.75
-47/162011.5
-51/22014.3
-69/161816.25
-75/81819.5
-83/41629
-107/81435
-121-1/161245
-161-5/161270
-201-5/81285
Loading...