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Worldwide distributor of NSN parts and consumables located in the USA.

Piston Ring

Model / MPN: 126940P30W | NSN: 2810-00-293-3873
ITAR Registered seal

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

Product Details
NATO Stock Number
2810-00-293-3873
Sold in multiples of
1 EA
DEMIL
NO
Cross Sectional Shape
Double inside bevel, straight face
Ring Style
Concentric
Radial Wall Thickness
0.3050 inches
Overall Width
Between 0.2170 inches and 0.2180 inches
Standard Bore Diameter
4.623 inches
Joint Style
Vertical joint
Material
Steel
Surface Treatment
Lead
Fsc Application Data
Engine, aircraft, reciprocating
126940P Series Parts

Pricing and Availability

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126940P30W Cross Reference
  • 126940R2
  • 129640R2
  • 126940R2
  • 129640R2
  • 126940P30W