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Cross Reference

These part numbers have the same form, fit, and function as 2278140
Item Number Cage
FF14620 63477
2278140 7X677
7410830 19207


Other parts in this series

Technical Definition

Cylinder Assembly, Hydraulic Brak, also referenced with federal logistics item name code 11007 - A device consisting of a reservoir and/or cylinder, hydraulic brake, master with other components necessary to displace fluid from a central source for actuating the slave or wheel cylinders of a hydraulic brake system.

Q & A

Part number 2278140
What are the historical prices for part number 2278140?
No pre-dated pricing for this NSN could be found.
Does this part number 2278140 have a shelf life?
No. There is no shelf life applicable for this part.
Does this part number 2278140 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 2278140 ITAR controlled?
No. This item is not ITAR Controlled.
What is the NSN for part number 2278140?
Who are the manufacturers of 2278140 and NSN 2530-00-741-0830?
  • Federal Mogul Corp (CAGE 63477)
  • General Motors Llc (CAGE 7X677)
  • U S Army Tank Automotive Command (CAGE 19207)


Description: Hydraulic Brak Cylinder Assembly
Part Number 2278140 2278140


AAFZ Body Material
Iron, cast, qq-i-652, class 60
ABDR Mounting Provision
Unthreaded mounting holes
ABJH Temp Rating
Not rated
ABKW Overall Height
10.062 inches
ABMK Overall Width
3.875 inches
ABXV Bore Diameter
1.750 inches
AFDS Longest Horizontal Distance Between Mounting Centers
2.500 inches
AFDV Longest Vertical Distance Between Mounting Centers
2.406 inches
AFLW Actuation Method
AJFY Seat Angle In Deg
Any acceptable
AMQZ Compressed Length
8.188 inches
ATEM Extended Length
9.625 inches
BBBW Mounting Provision Arrangement Style
Four hole rectangular
BMWH Reservoir Type
BYXG Straight Bore Inside Diameter
1.750 inches
CBBL Features Provided
Filler plug and rubber boot
CKSG First Piston Rod End Thread Series Designator
CKSH First Piston Rod End Thread Diameter
0.562 inches
CKSJ First Piston Rod End Thready Qty Per Inch (tpi)
CKSK First Piston Rod End Thread Class
CKSL First Piston Rod End Thread Direction
CLML Mounting Type And Location
Flange piston rod end
CLMQ Mounting Facility Diameter
0.406 inches
CLMS Port Location And Quantity
1 cylinder head end
CLMT Port Style
Gasket seal
CLMW Port Thread Series Designator
CLMX Port Thread Diameter
0.500 inches
CLMY Port Thready Qty Per Inch (tpi)
CLNB Port Thread Class
CLNG Stoplight Switch Thread Series Designator
CLNK Err Default
Err default
CLNK Stoplight Switch Thready Qty Per Inch (tpi)
CLNM Stoplight Switch Nominal Pipe Thread Size
0.125 inches
National Stock Number (NSN): 2530-00-741-0830