P11518

View detailed technical data, stock status, and sourcing information for: P11518
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5360 Coil, Flat, Leaf and Wire Springs

National Stock Number

5360-00-424-2730

Item Name Code

04226

Assigment Date

01/01/1961 (65 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

0.750 inches nominal bore diameter, 0.517 inches minimum and 0.548 inches maximum inside diameter, 1.500 inches minimum and 1.562 inches maximum spring free length, 40.0 rockwell c minimum material hardness rating, spring end,squared and ground both ends end style

Product Characteristics

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

Inside Diameter: 0.517 inches minimum and 0.548 inches maximum
End Style: spring end,squared and ground both ends
Bore Diameter: 0.750 inches nominal
Spring Free Length: 1.500 inches minimum and 1.562 inches maximum
Material Hardness Rating: 40.0 rockwell c minimum
Coil Quantity: 7-3/4
Spring Solid Length: 0.500 inches minimum and 0.562 inches maximum
Spring Solid Outside Diameter: 0.703 inches minimum and 0.734 inches maximum
Coil Helix Direction: right-hand or left-hand
Spring Deflection Rate: 54.250 pounds per inch nominal
Spring Free Outside Diameter: 0.703 inches minimum and 0.734 inches maximum
Material: steel comp 302 overall
Material Document And Classification: ams 5688c assn std single material response overall
Style Designator: cylindrical

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
P11518	Compression Helical Spring

FAQs

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

What is the FSCG of the NSN 5360-00-424-2730?

The FSCG of the NSN 5360-00-424-2730 is 5360

Does NSN 5360-00-424-2730 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 5360-00-424-2730 contain precious materials?

Precious metal content is unknown

Does NSN 5360-00-424-2730 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 5360-00-424-2730 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961