78047AS

View detailed technical data, stock status, and sourcing information for: 78047AS
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 78047AS to receive an up to date pricing and availability quote by email.

Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-288-3903

Item Name Code

15884

Assigment Date

01/01/1963 (63 years ago)

45.0 chamfer angle in deg, 0.1870 inches minimum and 0.1970 inches maximum head height, 0.3290 inches minimum and 0.3350 inches maximum groove diameter, flat head style, 0.0312 inches nominal chamfer length

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
Head Height: 0.1870 inches minimum and 0.1970 inches maximum
Chamfer Angle In Deg: 45.0
Groove Diameter: 0.3290 inches minimum and 0.3350 inches maximum
Chamfer Length: 0.0312 inches nominal
Groove Width: 0.0950 inches minimum and 0.1050 inches maximum
Outside Diameter: 1.3730 inches minimum and 1.3770 inches maximum
Seat Angle In Deg: 45.0
Stem Style: grooved
Carbon Relief Groove: not included
Neck Radius: 0.4375 inches nominal
Stem Length: 4.5265 inches nominal
Stem Diameter: 0.3725 inches minimum and 0.3735 inches maximum
Distance From Groove To Stem End: 0.2812 inches nominal
Metallic Hardness Rating And Location: 40.0 rockwell c minimum stem
Metallic Hardness Rating And Location: 45.0 rockwell c maximum stem
Metallic Hardness Rating And Location: 60.0 shore scleroscope minimum tip
Special Features: with valve keepers
Fsc Application Data: diesel engine

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2815-00-274-3410	No Name Available	02/23/1968
2815-00-288-3859	No Name Available	03/06/1968
2815-00-288-3906	No Name Available	02/23/1968
2815-00-354-2212	No Name Available	10/21/1972

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
78047AS	Engine Poppet Valve

FAQs

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

What is the FSCG of the NSN 2815-00-288-3903?

The FSCG of the NSN 2815-00-288-3903 is 2815

Does the NSN 2815-00-288-3903 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-288-3903 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 2815-00-288-3903 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-288-3903 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 2815-00-288-3903 was assigned to the Federal Catalog?

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