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

Piston Ring

Model / MPN: MS13932-7 | NSN: 2805-00-640-8637
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
2805-00-640-8637
Sold in multiples of
1 EA
DEMIL
NO
Cross Sectional Shape
Straight face, bottom relief
Ring Style
Concentric
Radial Wall Thickness
Between 0.1620 inches and 0.1720 inches
Overall Width
Between 0.9300 inches and 0.9400 inches
Standard Bore Diameter
3.438 inches
Joint Style
Vertical joint
Material
Iron
MS13932 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7L017T3676 Ring, Piston 16 EA 04/03/2017
SPE7L017U0014 Ring, Piston 16 EA 04/14/2017
SPE7L017T6894 Ring, Piston 32 EA 09/11/2017
SPE7L018T5829 Ring, Piston 30 EA 07/16/2018
SPE7L018U0019 Ring, Piston 30 EA 07/27/2018

Pricing and Availability

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MS13932-7 Cross Reference
  • 4514677-6
  • 56285
  • F162A232
  • MS39349-7