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Cross Reference

These part numbers have the same form, fit, and function as b1894
Item Number Cage
B1894 24692

Technical Definition

Nut, Aircraft Propeller Hub, also referenced with federal logistics item name code 19337 - A nut designed to mate with the threaded propeller shaft or crankshaft of an aircraft engine to retain the propeller hub. it is cylindrical in shape and has holes in the periphery for wrenching.

Q & A

Part number B1894
What are the historical prices for part number B1894?
No pre-dated pricing for this NSN could be found.
Does this part number B1894 have a shelf life?
No. There is no shelf life applicable for this part.
Does this part number B1894 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 B1894 ITAR controlled?
No. This item is not ITAR Controlled.
What is the NSN for part number B1894?
Who are the manufacturers of B1894 and NSN 1610-00-256-1632?
  • Hartzell Propeller Inc. (CAGE 24692)


Description: Aircraft Propeller Hub Nut
Part Number B1894 B1894


TEXT General Characteristics Item Description
Steel,spec data,sae,4130,4135 or 4140,no type designator; cadmium plated finish; shaft no. 40; thd data,2 5/16 /2.312/ in-12 nom size designation,nonstandard,class 4b thd or class 4 fit,0.750 in. lg; dim. data,2.344 in. id unthreaded portion,2.900 in. od at hub end,2.740 in. od at forward end,1.920 in. h o/a,0.4375 in. dia wrenching holes
National Stock Number (NSN): 1610-00-256-1632