C-311

View detailed technical data, stock status, and sourcing information for: C-311
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5360 Coil, Flat, Leaf and Wire Springs

National Stock Number

5360-01-408-8502

Item Name Code

04227

Assigment Date

02/28/1995 (31 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

0.437 inches nominal spring free outside diameter, 0.280 pounds per inch nominal spring deflection rate, 0.041 inches nominal stock diameter, 0.355 inches nominal inside diameter, 10.250 inches nominal spring free length

Product Characteristics

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

Inside Diameter: 0.355 inches nominal
Stock Diameter: 0.041 inches nominal
Spring Free Length: 10.250 inches nominal
Spring Deflection Rate: 0.280 pounds per inch nominal
Spring Free Outside Diameter: 0.437 inches nominal
Material: steel overall
Surface Treatment: zinc 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
1709AS722-01	Extension Helical Spring
C-311	Extension Helical Spring

FAQs

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

What is the FSCG of the NSN 5360-01-408-8502?

The FSCG of the NSN 5360-01-408-8502 is 5360

Does NSN 5360-01-408-8502 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 5360-01-408-8502 contain precious materials?

Item does not contain precious metal.

Does NSN 5360-01-408-8502 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 5360-01-408-8502 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Tue, Feb 28, 1995