Item Type: Adapter Fitting - Female JIC - Cap
Nominal Size: 3/4 Female JIC - Cap
Material: Plated Steel

Alternate Part Numbers:

Aeroquip 210292-12-S
Parker 12 FNTX-S
Weatherhead C5129X12

JIC THREAD CHART - THREAD SIZE MEASUREMENT TAKEN FROM OUTSIDE DIAMETER OF MALE THREADS
JIC 37 degree flare fittings form a metal on metal seal on a 37 degree cone.  Thread pitch is the same as SAE 45 degree flare in most sizes and some female assemblies have a dual 37/45 degree seat for this purpose.  Size 6 and size 12 do not cross over.
 Tube Size (NOMINAL SIZE) 
 Dash Size 
 Thread Size 
1/8"
- 2
5/16" - 24
3/16"
- 3
3/8" - 24
1/4"
- 4
7/16" - 20
5/16"
- 5
1/2" - 20
3/8"
- 6
9/16" - 18
1/2"
- 8
3/4" - 16
5/8"
- 10
7/8" - 14
3/4"
- 12
1-1/16" - 12
7/8"
- 14
1-3/16" - 12
1"
- 16
1-5/16" - 12
1-1/4"
- 20
1-5/8" - 12
1-1/2"
- 24
1-7/8" - 12
2"
- 32
2-1/2" - 12