General Machinery & Manufacturing Company
is a Custom Manufacturer of Precision-Machined Parts and Components

CapabilitiesCNC Swiss MachiningCNC TurningPortfoliosCustom Stainless
Steel Insert Orifice for
an Oil and Gas Safety Relief ValveCustom Carbon Steel Grip Plug for Aerospace ApplicationCustom Stainless Steel Fuel Nozzle Seal for Pratt & Whitney Jet Engine
SGS
We are proud to be an
AS9100/ISO 9001:2008
registered firm
  • Pratt & Whitney ASQR-01
    approved quality system.
  • A member of Pratt &
    Whitney's Self-release
    Supplier Program.
  • Pratt & Whitney Laboratory
    Control Source (LCS) supplier
CNC Swiss MachiningCNC Swiss Machining
  • 5 axis dual spindle lathes
  • Live tooling
  • Long parts up to 6" in length
  • Production capacity from .250"
    to 1.250" in diameter
 CNC TurningCNC Turning
  • 5 axis machining centers
  • Dual spindle lathes
  • Live tooling
  • Production capacity from .250"
    to 4"
 Industries Served
We specialize in the development, creation, and manufacturing of precision parts for the aerospace, energy, industrial, and marine industries...

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Portfolios...
Custom Stainless Steel Insert Orifice for an Oil and Gas Safety Relief Valve
Custom Stainless Steel Insert Orifice for an Oil and Gas Safety Relief Valve
  • 2.750" diameter part with a ½" precision radius on top of a 15 degree lead in angle.
  • Using Live tooling, 4 milled slots 90 degrees apart, .125 in depth through 1 7/8" 16 UN-2A threads
  • Tight tolerances of .001" to .005" & concentricity tolerance of .004"
Custom Carbon Steel Grip Plug for Aerospace Application
Custom Carbon Steel Grip Plug for Aerospace Application
  • Lead thread machined with a chamfer for the major diameter and pitch Diameter
  • Thread relief diameter of .450 & a 2
    radii of .060"
  • Live tooling milled two .670" wrench flats into the stem
  • Tight tolerances with features on common axis
Custom Stainless Steel Fuel Nozzle Seal for Pratt & Whitney Jet Engine
Custom Stainless Steel Fuel Nozzle Seal for Pratt & Whitney Jet Engine
  • Dual spring diaphragms on both sides of the part
  • Knife edge radii with mirror finish on both sides
  • 4 slots equally spaced at 90 degrees
    on face of part
  • Concentricity maintained within .0005"
    or less.
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