National 343123 Seal or gasket

National 343123 is a seal or gasket in Hardware & Accessories, US catalog. Listed by National Industrial Applications, Product Specifications & Interchange Guide (Catalog No. 430i, July 2019; Federal-Mogul Motorparts).

Radial Shaft Seals

Specifications

Lip material (code as printed)

S

Shaft size

1.000

Housing bore

1.563

Seal O.D.

1.569

Seal width

0.187

Type / illustration

34

Section as printed

RADIAL SHAFT SEALS

Name taken from

the section heading, pdf page 101

Specifications from National Oil Seals & Bearings Specifications Guide (DRiV, 2021)

Shaft

1.000″ / 25.400mm

Housing bore

1.563″ / 39.700mm

Outside diameter

1.569″ / 39.850mm

Width

0.187″ / 4.750mm

Material

Nitrile

Type

34

Name taken from

the section heading, pdf page 98

About this kind of part (general, written by SearchForPart)

Seals a joint against leaks of fluid, air, water or dust. A leak at a joint or a part taken apart calls for a new one. Check size, material and the joint it seals.

When ordering, give the part number exactly as printed and its maker, and the make, model and year of the truck, trailer, reefer unit or machine (or the engine or unit serial number). SearchForPart shows fitment only as the source printed it: check it before you order.

Reference numbers

Listed by the maker as corresponding

• Listed by National as corresponding to Sealed Power N9900; interchange not verified by SearchForPart.
• Listed by National as corresponding to GMC 0704-1096; interchange not verified by SearchForPart.
• Listed by National as corresponding to SKF C-R 343123; interchange not verified by SearchForPart.

Reference numbers as printed by the maker. They are not a statement that the parts are interchangeable. Confirm with the manufacturer before ordering.

Availability

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Catalog information provided by National Industrial Applications, Product Specifications & Interchange Guide (Catalog No. 430i, July 2019; Federal-Mogul Motorparts). Fitment for your equipment is not verified by this page. SearchForPart does not show a price here.