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Cross Reference

These part numbers have the same form, fit, and function as ew5998
Item Number Cage
FD5998 63477
95919HX 89346
EW5998 80724
8332304 19207
F5998 63477

Technical Definition

Cylinder Assembly, Hydraulic Brak, also referenced with federal logistics item name code 10862 - A device consisting of a cylinder, hydraulic brake, wheel with a piston(s) and other component parts which is mounted to the back plate of a wheel. it uses the flow and pressure of a fluid to create the linear motion required to operate the brake shoes of a hydraulic brake system.

Q & A

Part number EW5998
What are the historical prices for part number EW5998?
No pre-dated pricing for this NSN could be found.
Does this part number EW5998 have a shelf life?
No. There is no shelf life applicable for this part.
Does this part number EW5998 require Demilitarization?
Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9).
Is part number EW5998 ITAR controlled?
No. This item is not ITAR Controlled.
What is the NSN for part number EW5998?
Who are the manufacturers of EW5998 and NSN 2530-00-391-3979?
  • Federal Mogul Corp (CAGE 63477)
  • Navistar Intl Corp (CAGE 89346)
  • Eis Brake Parts (CAGE 80724)
  • U S Army Tank Automotive Command (CAGE 19207)


Description: Hydraulic Brak Cylinder Assembly
Part Number EW5998 EW5998


ABDR Mounting Provision
Threaded mounting holes
ABKW Overall Height
2.000 inches
ABMK Overall Width
2.656 inches
AFDS Longest Horizontal Distance Between Mounting Centers
1.875 inches
AFDT Shortest Horizontal Distance Between Mounting Centers
1.875 inches
AFDV Longest Vertical Distance Between Mounting Centers
1.375 inches
AKBM Mounting Facility Thread Class
AKBN Mounting Facility Thread Direction
AMQZ Compressed Length
3.625 inches
ASBP Bore Type
ATEM Extended Length
3.625 inches
BBBW Mounting Provision Arrangement Style
Three hole triangular
BBJX Mounting Position
CBBL Features Provided
Rubber boot
CDTD Mounting Facility Thread Series Designator
CDTF Mounting Facility Thread Diameter
0.312 inches
CDTG Mounting Facility Thready Qty Per Inch (tpi)
CKSD Design Characteristics
Double acting single cylinder
CKSF First Piston Rod End Style
Slot type all working ends
CLLP Piston Rod End Similarity
CLMG First End Fork Depth
0.281 inches all working ends
CLML Mounting Type And Location
Flange center section
CLMN Mounting Facility Thread Length
0.375 inches
CLMS Port Location And Quantity
1 center section
CLMT Port Style
Gasket seal single port
CLMW Port Thread Series Designator
Unf single port
CLMX Port Thread Diameter
0.438 inches single port
CLMY Port Thready Qty Per Inch (tpi)
20 single port
CLNB Port Thread Class
2b single port
CLND Bleeding Feature Quantity
National Stock Number (NSN): 2530-00-391-3979