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Cross Reference

These part numbers have the same form, fit, and function as 172-294
Item Number Cage
5473063 7X677
F8853 63477
TD8853 21868
WC8853 66614
2254354 7X677
W8853 71425
3321 14894
60530 64137
NU8853 34558
EW8853 80724
172-294 76462
8853 19239
FD8853 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 172294
What are the historical prices for part number 172-294?
No pre-dated pricing for this NSN could be found.
Does this part number 172-294 have a shelf life?
No. There is no shelf life applicable for this part.
Does this part number 172-294 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 172-294 ITAR controlled?
No. This item is not ITAR Controlled.
What is the NSN for part number 172-294?
Who are the manufacturers of 172-294 and NSN 2530-00-391-4359?
  • General Motors Llc (CAGE 7X677)
  • Federal Mogul Corp (CAGE 63477)
  • Hbd Industries Inc (CAGE 21868)
  • Trw Inc Replacement Parts Div (CAGE 66614)
  • Airtex Products (CAGE 71425)
  • Allied Automotive (CAGE 14894)
  • Wayne Corp (CAGE 64137)
  • Brake Parts Co Sub Of The Echlin Mfg (CAGE 34558)
  • Eis Brake Parts (CAGE 80724)
  • Delco Moraine Div Of General (CAGE 76462)
  • Echlin Inc (CAGE 19239)


Description: Hydraulic Brak Cylinder Assembly
Part Number 172-294 172 294


AAFZ Body Material
Iron, cast
ABDR Mounting Provision
Threaded mounting holes
ABKW Overall Height
1.875 inches
ABMK Overall Width
2.375 inches
ABXV Bore Diameter
1.125 inches
AKBM Mounting Facility Thread Class
AKBN Mounting Facility Thread Direction
AMQZ Compressed Length
4.750 inches
ASBP Bore Type
ATEM Extended Length
5.125 inches
BBBW Mounting Provision Arrangement Style
Two hole
BBJX Mounting Position
CBBL Features Provided
Bleeder valves and 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
Single acting single cylinder
CKSF First Piston Rod End Style
Slot type all working ends
CLMD First End Fork Width
0.562 inches all working ends
CLMG First End Fork Depth
0.312 inches all working ends
CLMJ First End Fork Span Width
0.192 inches all working ends
CLML Mounting Type And Location
Flange center section
CLMN Mounting Facility Thread Length
0.500 inches
CLMR Center To Center Distance Between Mounting Provisions
1.250 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): 2530-00-391-4359