Meritor 1779-Y-155 Valve, Bleeder, Hydraulic System

Meritor 1779-Y-155 is a driveline component in Axles & Drivetrain, US catalog. Listed by US Government (DLA FLIS), October 2026.

Government data (US Government (DLA FLIS), October 2026 edition)

The U.S. government's Federal Logistics Information System (FLIS) records Meritor 1779-Y-155 as the maker's own number under government stock item NSN 4820-01-643-6067. The name and every fact below are FLIS's, credited to US Government (DLA FLIS), October 2026 edition.

Specifications recorded for government stock item NSN 4820-01-643-6067, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name

Valve, Bleeder, Hydraulic System

Government stock item (NSN)

4820-01-643-6067

Manufacturer code (CAGE)

78500, MERITOR HEAVY VEHICLE SYSTEMS, LLC, TROY, MI, UNITED STATES

Thread quantity per inch

24

Nominal thread size

Second end: 0.438 in

Face to face distance

30.0 mm

Nominal inside diameter hose accommodated

First end: 7.7 mm

Material

Overall: steel comp 1215

Media for which designed

Single response: hydraulic fluid, petroleum base

Thread series designator

Second end: UNF

Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.

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

A part of the drive shaft or axle drive. Vibration, noise or play point to wear. Check series and length.

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.

Availability

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Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.