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Description
PSS Shaft Seal 1-½" Shaft 2-¼" TubePSS Shaft Seal 1 1 2" Shaft 2 1 4" Tube Shaft Diameter: 1 1 2" Stern Tube Diameter (D): 2 1 4" to 2 3 8" Total Length (A): 9. 175" Total Length (compressed) (Compressed A): 8. 175" Rotor Diameter (B): 3. 75" Carbon Cuff Diameter (C): 3. 25" Stern Cuff Length (E): 2" The PSS Shaft Seal is the number one selling marine mechanical seal worldwide and is installed as standard equipment by many of the worlds most reputable boat builders yards. The PSS Shaft
PSS Shaft Seal 1-1/2" Shaft 2-1/4" TubeShaft Diameter: 1-1/2"
Stern Tube Diameter (D): 2-1/4" to 2-3/8"
Total Length (A): 9.175"
Total Length (compressed) (Compressed A): 8.175"
Rotor Diameter (B): 3.75"
Carbon Cuff Diameter (C): 3.25"
Stern Cuff Length (E): 2"
The PSS Shaft Seal is the number one selling marine mechanical seal worldwide and is installed as standard equipment by many of the worlds most reputable boat builders / yards. The PSS Shaft Seal is also recognized as the premiere retrofit (aftermarket) seal on the world market. Certified by Bureau Veritas, ABS & Rina: Boat builders / yards recognize the advantages and value of installing the PSS as it eliminates the maintenance, constant adjustment & cost associated with traditional packing type glands. Aside from these benefits, the PSS Shaft Seal helps to eliminate water in the bilge (100% water tight) & wear to the propeller shaft. The PSS Shaft Seal can be easily retrofitted and is available for shafts ranging from 3/4" (20mm) to 6" (150mm).
The PSS Shaft Seal is a mechanical face seal that is created between the flat surfaces of the rotating stainless steel rotor and the stationary carbon flange. The stationary carbon flange is attached to the vessels stern tube with hose clamps and the carbon flange is attached to the front side of the bellows with hose clamps. The stainless steel rotor is fit on the shaft in front of the carbon flange. The stainless steel rotor is used to compress the bellows before the collar is secured to the shaft with set-screws. This compression (pre-load) maintains contact between the faces and allows the PSS to compensate for the thrust from the propeller. The carbon flange is bored larger than the shaft diameter allowing it to "float" around the shaft and thus compensate for most misalignment and vibration problems. The stainless steel collar is sealed to the shaft by two o-rings that are recessed into the bore of the collar. These o-rings rotate with the shaft and stainless steel rotor and do not experience wear during operation.
**As with any rubber hose below waterline, the PSS bellows must be inspected on a regular basis for any sign of wear, aging or chemical deterioration. PYI suggests as preventative maintenance that the PSS bellow be replaced in six year intervals. During bellows replacement it is recommended the o-rings & set screws in the stainless steel rotor also be replaced."
Bellows may need to be more frequently inspected in an environment where non-sealed batteries emit sulfuric acid. Sulfuric acid vapor will accelerate rubber deterioration, as will an ozonater.
The Maintenance Kit includes the items you need to properly maintain your PSS Shaft Seal. Included in the kit is one (1) PSS bellow, two (2) O-rings, five (5) set screws, four (4) new hose clamps and an allen key.
Manufacturer : PSS Shaft Seal
Manufacturer Part No : 02-112-214
UPC : 839662007061
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4.3 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Exactly what I wanted,
Size: Large, Color: Light Khaki
I bought three pairs of shorts from three different companies and these are my favorite. I am going to by another pair in a different color.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Comfortable Water‑Repellent Summer Shorts That Still Look Casual and Neat
Size: XX-Large, Color: Dark Grey
I find these TACVASEN 7 Inch Casual Twill Shorts very comfortable to wear for warm weather. The polyester twill fabric feels light against the skin and does not trap heat, which makes them a good option for summer days or humid climates. The material also behaves like a water‑repellent, quick‑dry fabric, so light splashes or a bit of sweat do not linger long, and the shorts dry fairly fast instead of staying damp.
The overall look is more refined than basic athletic shorts, which I appreciate. The 7‑inch inseam, flat front style, and elastic waistband with drawstring give them a casual, everyday look that can still pass for more polished casual wear if you pair them with a polo or a clean t‑shirt. They do not look sloppy, so they work for running errands, casual outings, or relaxed social situations, not just for the beach or lounging.
In terms of construction, the stitching on my pair is nicely done, with no loose threads or obvious defects on the seams or hems. The shorts include two slant pockets and one back pocket, and one of the front pockets has a hidden zipper pocket inside, which is handy for keeping small items like cards or coins more secure without changing the outside look of the shorts. The elastic waistband and drawstring make it easy to dial in the fit without feeling tight.
Based on my experience, these shorts would be suitable for a variety of uses such as casual walks, light outdoor activities, beach days, or as comfortable everyday summer shorts that still look presentable enough for casual gatherings. If you want something breathable, quick drying, and a bit more polished than pure gym shorts, these are a solid option.
I received this item for free through the Amazon Vine program and I personally evaluate what I receive. I also pay taxes, Social Security and Medicare so I do not treat this as mindless ordering of products I will not use or fully test.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Perfect Summer Shorts for Everyday Wear
Size: Large, Color: Dark Grey
These turned out to be one of those purchases that will become part of the regular summer rotation. The fit is excellent, the fabric feels lightweight without feeling cheap, and they’re extremely comfortable in warm weather.
What I like most is that they strike a really nice balance between casual and polished. They don’t look like gym shorts, but they’re just as comfortable. The dark grey color looks clean and versatile, and the 7-inch length feels modern without being overly short.
The fabric has a smooth, cool feel and dries quickly, which is great for hot days or even light water exposure. The elastic waistband and drawstring are comfortable without looking sloppy, and the hidden zipper pocket is actually very useful for keys or cards.
Another thing I noticed is their durability that they hold their shape well and the material doesn’t wrinkle easily. They work equally well for relaxing, walking around town, travel, or casual dinners outside during summer.
Overall, these feel more expensive than they are. Comfortable, lightweight material, practical, and surprisingly stylish.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Fast drying polyester short for casual wear or to use at the beach
Size: Small, Color: Army Green, Size: Small, Color: Army Green
The TACVASEN men's 7" casual beach shorts are lightweight stretchy polyester shorts featuring an elastic waist band for added comfort. These shorts are nicely constructed and durable with no visible signs of defects out of the package. These shorts wear and feel comfortable for all types of activities or for just casual wear if you just want to lounge around. There are two average sized pockets one on each side and one zippered side pocket for added security and a rear pocket suitable for a normal sized wallet. I'm a 5'10" man and these shorts reach to the top of my knee. These shorts also have an average sized drawstring for added tightness if desired. The polyester material allows for fast drying. Overall these shorts offer a good value for wearing to most occasions.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Great casual shorts
Size: Small, Color: Blue Gray
These men’s water-resistant beach shorts have been a great purchase. I got them for my son, and he says they’re extremely comfortable. He especially loves how soft the material feels, which makes them easy to wear all day at the beach, pool, or just casually around town.
The water-resistant fabric works well and dries quickly, which is a huge plus for swimwear. They fit nicely and allow for plenty of movement without feeling stiff or heavy. Overall, these are comfortable, well-made shorts with great material, and my son has been really happy with them.
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Reviewed in the United States on May 10, 2026