Nut — Packing, Test Valve
EMD Part No.: 8048884
Nut — Packing, Test Valve
Application: EMD 645 and 710 cylinder test valve assemblies
Part of our Cylinder test valve product line
The Nut — Packing, Test Valve is identified by EMD Part No. 8048884. EMD parts references specifically identify 8048884 as the Packing Nut used in the Cylinder Test Valve assembly and list the same EMD part number for EMD 645 and 710 applications. No reliable DLW cross-reference was identified in the sources reviewed, so the DLW number should remain unassigned.
How This Part Works
The Nut — Packing, Test Valve is a fastening and retaining component within the EMD cylinder test valve assembly. It is associated with the valve's packing arrangement and provides the specified threaded connection for the packing components within the assembly.
Signs It's Time to Replace
- Thread damage: damaged or deformed threads can affect proper installation and retention
- Packing leakage: leakage around the packing arrangement can indicate deterioration of the packing or associated components
- Visible deformation: cracking, distortion, or other physical damage should be assessed
- Corrosion: significant corrosion or material deterioration should be evaluated
- Improper fit: the replacement nut should match the specified cylinder test valve arrangement
Apex focuses on EMD engine components and cylinder test-valve parts for EMD applications. The Nut — Packing, Test Valve is identified by EMD Part No. 8048884 and is documented for EMD 645 and 710 cylinder test-valve assemblies. This part-number-based identification helps customers distinguish the packing nut from the valve body, needle valve, and seal within the cylinder test valve assembly.
See all Cylinder test valve parts →- Engine Compatibility
- EMD 645 & EMD 710 Series
- Applications
- Locomotive · Marine · Power Generation
- Quality Standard
- ISO 9001:2015 Certified · OEM Grade
OEM GradeExport QualityReady Stock
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