4351294

View detailed technical data, stock status, and sourcing information for: 4351294
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-361-4718

Item Name Code

15884

Assigment Date

01/01/1963 (63 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

1.5060 inches minimum and 1.5160 inches maximum outside diameter, 0.1810 inches minimum and 0.2010 inches maximum head height, 45.0 chamfer angle in deg, 0.0160 inches nominal chamfer length, mushroom head style

Product Characteristics

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

Head Style: mushroom
Head Height: 0.1810 inches minimum and 0.2010 inches maximum
Chamfer Angle In Deg: 45.0
Chamfer Length: 0.0160 inches nominal
Outside Diameter: 1.5060 inches minimum and 1.5160 inches maximum
Seat Angle In Deg: 45.0
Stem Style: double grooved
Carbon Relief Groove: not included
Neck Radius: 0.4380 inches nominal
Stem Length: 5.6600 inches minimum and 5.6800 inches maximum
Stem Diameter: 0.3090 inches minimum and 0.3100 inches maximum
Distance From First Groove To Stem End: 0.2970 inches minimum and 0.3170 inches maximum
Distance From Second Groove To Stem End: 0.9340 inches nominal
First Groove Diameter: 0.2670 inches minimum and 0.2730 inches maximum
Second Groove Diameter: 0.2640 inches minimum and 0.2700 inches maximum
First Groove Width: 0.0950 inches minimum and 0.1050 inches maximum
Second Groove Width: 0.0950 inches minimum and 0.1050 inches maximum
Metallic Hardness Rating And Location: 30.0 rockwell c minimum stem
Metallic Hardness Rating And Location: 40.0 rockwell c maximum stem
Metallic Hardness Rating And Location: 48.5 rockwell c minimum tip
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Below is a list of NSNs that have been officially superseded by this NSN: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
2815-00-362-1005	No Name Available	01/01/1960

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
4351294	Engine Poppet Valve
A548	Engine Poppet Valve

FAQs

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

What is the FSCG of the NSN 2815-00-361-4718?

The FSCG of the NSN 2815-00-361-4718 is 2815

Does the NSN 2815-00-361-4718 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-361-4718 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 2815-00-361-4718 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-361-4718 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 2815-00-361-4718 was assigned to the Federal Catalog?

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