National 40401 Seal or gasket

National 40401 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)

L

Shaft size

2.000

Housing bore

2.501

Seal O.D.

2.506

Seal width

0.250

Type / illustration

4L

Section as printed

RADIAL SHAFT SEALS

Name taken from

the section heading, pdf page 95

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

Shaft

2.000″ / 50.800mm

Housing bore

2.501″ / 63.530mm

Outside diameter

2.506″ / 63.650mm

Width

0.250″ / 6.350mm

Material

Leather

Type

4L

Name taken from

the section heading, pdf page 101

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 Henry Mfg A51032; interchange not verified by SearchForPart.
• Listed by National as corresponding to L & S Bearing A53088; interchange not verified by SearchForPart.
• Listed by National as corresponding to Trostel A53088S; interchange not verified by SearchForPart.
• Listed by National as corresponding to NOK AR2908E; interchange not verified by SearchForPart.
• Listed by National as corresponding to NOK AR2908E0; interchange not verified by SearchForPart.
• Listed by National as corresponding to Sealed Power N19748; interchange not verified by SearchForPart.
• Listed by National as corresponding to Sealed Power N19754; interchange not verified by SearchForPart.
• Listed by National as corresponding to Western Gear Co. N816123; interchange not verified by SearchForPart.
• Listed by National as corresponding to Mopar T1882; interchange not verified by SearchForPart.
• Listed by National as corresponding to Chicago Rawhide SKF 40410S; interchange not verified by SearchForPart.
• Listed by National as corresponding to Chicago Rawhide SKF 8871; interchange not verified by SearchForPart.
• Listed by National as corresponding to Transcom Oil Seals 20252VB; interchange not verified by SearchForPart.
• Listed by National as corresponding to Timken SPICE 8312; interchange not verified by SearchForPart.
• Listed by National as corresponding to Trostel 43257S; interchange not verified by SearchForPart.
• Listed by National as corresponding to Wooldridge GMC 6329S; interchange not verified by SearchForPart.
• Listed by National as corresponding to Bucyrus-Erie 72-06925; interchange not verified by SearchForPart.
• Listed by National as corresponding to Bucyrus-Erie 72-069250; interchange not verified by SearchForPart.
• Listed by National as corresponding to Massey-Ferguson 851350M1; interchange not verified by SearchForPart.
• Listed by National as corresponding to Buff Springfld Roll BU-SP 455860; interchange not verified by SearchForPart.
• Listed by National as corresponding to Mc Cord MCCOR 45825S; 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.