BM56391

View detailed technical data, stock status, and sourcing information for: BM56391
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-787-6508

Item Name Code

60266

Assigment Date

01/01/1962 (64 years ago)

i-section type cross-sectional shape style, forged fabrication method, 2.250 inches nominal end thickness, 2.000 inches nominal edge radius, automotive standard split bearing 2 bolt shaft connecting end style

Product Characteristics

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

Cross-Sectional Shape Style: i-section type
Fabrication Method: forged
Shaft Connecting End Style: automotive standard split bearing 2 bolt
End Thickness: 2.250 inches nominal
Edge Radius: 2.000 inches nominal
End Hole Inside Diameter: 1.312 inches nominal
Piston Connecting End Bearing: included
Bearing Replaceability: replaceable
Piston Connecting End Lubrication Drill Feature: included
Piston Connecting End Lubrication Method: full forced-feed
Shaft Connecting End Bearing: not included
Shaft Connecting End Hole Inside Diameter: 4.000 inches nominal
Shaft Connecting End Edge Radius: 2.375 inches nominal
Shaft Connecting End Width: 5.500 inches nominal
Shaft Connecting End Thickness: 1.844 inches nominal
Shaft Connecting End Bearing Replaceability: replaceable
Shaft Connecting End Lubrication Drill Feature: included
Shaft Connecting End Lubrication Method: full forced-feed
Center To Center Effective Length: 12.000 inches nominal
Body Width At Piston Connecting End: 1.625 inches nominal
Body Width At Shaft Connecting End: 2.125 inches nominal
Body Thickness At Piston Connecting End: 1.250 inches nominal
Body Thickness At Shaft Connecting End: 1.312 inches nominal
Piston End Connection Style: small engine and automotive standard
Material: steel

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2815-00-875-7480	No Name Available	10/05/1966

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
BM37596	Piston Connecting Rod
BM56391	Piston Connecting Rod

FAQs

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

What is the FSCG of the NSN 2815-00-787-6508?

The FSCG of the NSN 2815-00-787-6508 is 2815

Does the NSN 2815-00-787-6508 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-787-6508 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 2815-00-787-6508 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-787-6508 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 2815-00-787-6508 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962