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Piston Connecting Rod

NSN: 4130-00-374-3042 | Model: 21018-1
ITAR Registered seal

A device used for connecting a piston to a crankshaft or to a master connecting rod of an internal combustion engine, steam reciprocating engine, reciprocating air compressor, or the like. The rod may be connected directly to the piston, or it may transmit the motion through a crosshead.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Cross Sectional Shape
Flat type
Fabrication Method
Shaft Connecting End Style
Press sleeve
End Thickness
0.625 inches
Edge Radius
0.406 inches
End Hole Inside Diameter
0.265 inches
Piston Connecting End Bearing
Not included
Piston Connecting End Lubrication Drill Feature
Piston Connecting End Lubrication Method
Full forced-feed
Shaft Connecting End Bearing
Shaft Connecting End Hole Inside Diameter
1.500 inches
Shaft Connecting End Edge Radius
1.875 inches
Shaft Connecting End Thickness
0.625 inches
Shaft Connecting End Bearing Replaceability
Shaft Connecting End Lubrication Drill Feature
Shaft Connecting End Lubrication Method
Center To Center Effective Length
4.250 inches
Body Width At Piston Connecting End
0.625 inches
Body Width At Shaft Connecting End
1.000 inches
Body Thickness At Piston Connecting End
0.500 inches
Body Thickness At Shaft Connecting End
0.500 inches
Piston End Connection Style
Small engine and automotive standard
Iron, cast
Iron cast

Pricing and Availability

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NSN 4130-00-374-3042 Datasheet

Supply Class (FSC):
Refrigeration And Air Conditioning Components
Cross Reference:
  • 21018-1
  • 21018-1
  • 90915C
  • 90915C
  • 21018-1
Cage Codes:
  • Blissfield Manufacturing Company (CAGE 93480)
  • Marion Div (CAGE 95535)
  • Tecumseh Products Co (CAGE 59431)
  • 4130-00-374-3042 replaces 4130-00-300-6910
  • 4130-00-374-3042 replaces 4130-00-718-6599

N - Indicates there is no data in the humors and the nsn is in a fsc not generally suspected of containing hazardous materials.


A - Item does not contain precious metal.


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    133300 - Machinery/machines noi

  • WCC:

    72E - Engineer and material handling equipment, test/tool sets and equipment

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • LCL:

    M - 85.0

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
    No qup
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $210.03 to $350.06..
Does NSN 4130-00-374-3042 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Navy, Brazil, Spain, Netherlands, Greece, and Turkey
What is the NIIN of NSN 4130-00-374-3042?
003743042 or 00-374-3042
Does NSN 4130-00-374-3042 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4130-00-374-3042?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963