1B1271

View detailed technical data, stock status, and sourcing information for: 1B1271
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-953-1556

Item Name Code

42140

Assigment Date

05/23/1966 (60 years ago)

angular seating surface shape, 3.250 inches nominal body inside diameter, 0.750 nominal seat angle in deg, 0.500 inches nominal overall height, 4.003 inches nominal body outside diameter

Product Characteristics

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

Overall Height: 0.500 inches nominal
Body Outside Diameter: 4.003 inches nominal
Body Inside Diameter: 3.250 inches nominal
Seat Angle In Deg: 0.750 nominal
Seating Surface Shape: angular
Material: iron overall
Style Designator: 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
1B1271	Engine Valve Seat Insert
430-06360	Engine Valve Seat Insert

FAQs

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

What is the FSCG of the NSN 2815-00-953-1556?

The FSCG of the NSN 2815-00-953-1556 is 2815

Does the NSN 2815-00-953-1556 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-953-1556 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 2815-00-953-1556 contain precious materials?

Item does not contain precious metal.

Does NSN 2815-00-953-1556 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 2815-00-953-1556 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Mon, May 23, 1966