279839

View detailed technical data, stock status, and sourcing information for: 279839
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5360 Coil, Flat, Leaf and Wire Springs

National Stock Number

5360-00-570-8117

Item Name Code

04228

Assigment Date

01/01/1963 (63 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

0.442 inches nominal spring free outside diameter, 0.300 inches nominal inside diameter, right-hand or left-hand coil helix direction, ends angled one to other end angular relationship, single torsion left hand style designator

Product Characteristics

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

Inside Diameter: 0.300 inches nominal
Coil Helix Direction: right-hand or left-hand
Spring Free Outside Diameter: 0.442 inches nominal
End Angular Relationship: ends angled one to other
Style Designator: single torsion left hand

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
279839	Torsion Helical Spring

FAQs

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

What is the FSCG of the NSN 5360-00-570-8117?

The FSCG of the NSN 5360-00-570-8117 is 5360

Does NSN 5360-00-570-8117 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 5360-00-570-8117 contain precious materials?

Precious metal content is unknown

Does NSN 5360-00-570-8117 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 5360-00-570-8117 was assigned to the Federal Catalog?

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