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

Piston Ring

Model / MPN: 500040 ITEM NO. 7 P/N 104716-1 | NSN: 3040-01-644-2137
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
3040-01-644-2137
Sold in multiples of
1 EA
DEMIL
500040 ITEM NO. 7 P/N 104716 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7L317T8753 Ring, Piston 7 EA 02/13/2017
SPE7L317TD152 Ring, Piston 7 EA 03/27/2017
SPE7L319T4422 Ring, Piston 7 EA 12/10/2018

Pricing and Availability

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500040 ITEM NO. 7 P/N 104716-1 Cross Reference
  • 104716-1
  • 500040