2805-00-517-9534

Find complete technical information, availability, and procurement data for: 2805-00-517-9534
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2805 Except Aircraft; and Components Gasoline Reciprocating Engines

National Stock Number

2805-00-517-9534

Item Name Code

16509

Assigment Date

01/01/1963 (63 years ago)

1.906 inches nominal overall height, 2.495 inches minimum and 2.496 inches maximum diameter, 0.6248 inches minimum and 0.6253 inches maximum pinhole diameter, hole 2nd ring oil passage type, flat head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Head Style: flat
Overall Height: 1.906 inches nominal
Diameter: 2.495 inches minimum and 2.496 inches maximum
Oil Passage Type: hole 2nd ring
Pinhole Diameter: 0.6248 inches minimum and 0.6253 inches maximum
Surface Finish: finished
Finished Size Designation: oversize
Oversize: 0.020 inches nominal
Skirt Type: solid
Cut Depth: 0.194 inches nominal
Skirt Bottom Cutaway Feature: included
Ring Groove Quantity: 4
Ring Groove Width: 0.0650 inches minimum and 0.0660 inches maximum 1st ring
Ring Groove Width: 0.1565 inches minimum and 0.1575 inches maximum 2nd ring
Ring Groove Diameter: 2.215 inches minimum and 2.225 inches maximum 1st ring
Ring Groove Position Below Piston Pin: number 1,number 2 and number 3 all rings
Oil Groove: not included
Distance From Pin Hole Center To Extreme Top: 1.026 inches minimum and 1.030 inches maximum
Pin Hole Bushing: not included
Retaining Ring Groove: included
Pin: not included
Pin Type For Which Designed: floating
Ring: not included
Carbon Groove: not included
Material: aluminum alloy
Fsc Application Data: engine,gasoline,reciprocating nonaircraft

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2805-00-371-6791	No Name Available	01/01/1963

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
W304501-20	Internal Combustion Engin Piston

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 2805-00-517-9534?

The FSCG of the NSN 2805-00-517-9534 is 2805

Does the NSN 2805-00-517-9534 have a Schedule B code assigned?

Yes, the Schedule B code is 8409918000

Does NSN 2805-00-517-9534 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 2805-00-517-9534 contain precious materials?

Precious metal content is unknown

Does NSN 2805-00-517-9534 contain hazardous materials?

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

When the NSN 2805-00-517-9534 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963