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Air Vent Grease Fittings




Air Vent Grease Fittings are used on differentials, transmissions, and gear boxes.  Vent fittings allow air to escape and enter as the internal pressure increases or decreases.  The cap on Air Vent Grease Fittings prevent water or dirt from entering. Vent fittings must be installed above normal level of lubricant to allow air to escape when pressure rises.  Air Vent Grease Fittings are also referred to as Air Vent Zerk Fittings, Air Vent Lubrication Fittings, Air Vent Grease Zerks, or Atmospheric Vents.

OPENING PRESSURE NOTE: 1" of water = .03613 psi.

Air Vent Grease Fittings

AIR VENT GREASE FITTINGS
            AIR VENT GREASE FITTINGS  *  AIR VENT GREASE FITTINGS  *  AIR VENT GREASE FITTINGS  *  AIR VENT GREASE FITTINGS
SAE Number Description
FIG
Opening Pressure
A
B
Alemite #
Lincoln #
H-200-VENT 1/8" PTF VENT
13
             N/A
.78
.28
301370
5698
H-200-300805 1/8" PTF VENT
13
         Felt Filter
1.00
.19
300805
N/A
H-200-304810 1/8" PTF VENT
13
         1-3" Water
1.00
.19
304810
N/A
K-324970 DRIVE VENT
13
         6-12" Water
1.00
0.8
324970
N/A
H-200-131000-T 1/8" PTF VENT
13
         12" Water Max.   
1.00
.19
131000-T
N/A
H-200-327240 1/8" PTF VENT
13
         1 to 1-1/2 psi   
1.00
.19
327240
N/A
H-200-330766 1/8" PTF VENT
13
         2-1/2 to 4 psi
1.00
.19
330766
N/A


Vent Grease Fittings

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SAE Products 1709 Husted Rd. (#4) Conway, SC 29526 - Phone:1-800-588-8480 Fax: 1-843-349-0738

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