NK1780-1

View detailed technical data, stock status, and sourcing information for: NK1780-1
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-01-025-6768

Item Name Code

16756

Assigment Date

08/08/1976 (49 years ago)

0.500 inches nominal chamfer length, 3.875 inches minimum and 3.877 inches maximum body outside diameter, 3.688 inches nominal overall length, 5.0 chamfer angle in deg, 3.437 inches minimum and 3.439 inches maximum bore diameter

Product Characteristics

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

Chamfer Angle In Deg: 5.0
Chamfer Length: 0.500 inches nominal
Overall Length: 3.688 inches nominal
Bore Diameter: 3.437 inches minimum and 3.439 inches maximum
Body Outside Diameter: 3.875 inches minimum and 3.877 inches maximum
Design Type: wet
Valve Recess: not included
Top Inside Chamfer: included
Bottom Inside Chamfer: not included
Top Intake Port: not included
Intake Hole: not included
Material: steel comp 410
Material Document And Classification: qq-s-763, class 410, cond a fed spec single material response
Style Designator: dry, plain

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
NK1780	Cylinder Sleeve
NK1780-1	Cylinder Sleeve

FAQs

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

What is the FSCG of the NSN 2815-01-025-6768?

The FSCG of the NSN 2815-01-025-6768 is 2815

Does the NSN 2815-01-025-6768 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-01-025-6768 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 2815-01-025-6768 contain precious materials?

Item does not contain precious metal.

Does NSN 2815-01-025-6768 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 2815-01-025-6768 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Aug 8, 1976