PM100

View detailed technical data, stock status, and sourcing information for: PM100
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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

2805-00-367-0469

Item Name Code

16509

Assigment Date

01/01/1963 (63 years ago)

0.9370 inches minimum and 0.9375 inches maximum pinhole diameter, 3.750 inches nominal overall height, finished surface finish, flat head style, 3.625 inches nominal diameter

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: 3.750 inches nominal
Diameter: 3.625 inches nominal
Pinhole Diameter: 0.9370 inches minimum and 0.9375 inches maximum
Surface Finish: finished
Finished Size Designation: standard
Skirt Type: full split
Skirt Bottom Cutaway Feature: not included
Ring Groove Quantity: 4
Ring Groove Width: 0.1890 inches minimum and 0.1900 inches maximum 2nd ring
Ring Groove Width: 0.1255 inches minimum and 0.1265 inches maximum 1st ring
Ring Groove Diameter: 3.223 inches minimum 3rd ring
Ring Groove Diameter: 3.233 inches maximum 4th ring
Ring Groove Diameter: 3.273 inches maximum 2nd ring
Ring Groove Diameter: 3.263 inches minimum 1st ring
Oil Groove: not included
Distance From Pin Hole Center To Extreme Top: 1.998 inches minimum and 2.002 inches maximum
Pin Hole Bushing: not included
Distance Between Pin Bosses: 1.562 inches nominal
Retaining Ring Groove: included
Pin: not included
Pin Type For Which Designed: floating
Ring: not included
Carbon Groove: not included
Skirt Slot Style: base to groove slot
Material: aluminum
Weight: 18.250 ounces
Fsc Application Data: gasoline reciprocating engine,except aircraft prime moving and starting engine types

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2805-00-148-6693	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
1868P	Internal Combustion Engin Piston
DB-172-C	Internal Combustion Engin Piston
H5000-100B5	Internal Combustion Engin Piston
PM100	Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2805-00-367-0469?

The FSCG of the NSN 2805-00-367-0469 is 2805

Does the NSN 2805-00-367-0469 have a Schedule B code assigned?

Yes, the Schedule B code is 8409918000

Does NSN 2805-00-367-0469 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 2805-00-367-0469 contain precious materials?

Precious metal content is unknown

Does NSN 2805-00-367-0469 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 2805-00-367-0469 was assigned to the Federal Catalog?

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