8403028

View detailed technical data, stock status, and sourcing information for: 8403028
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5360 Coil, Flat, Leaf and Wire Springs

National Stock Number

5360-00-840-3028

Item Name Code

04226

Assigment Date

01/01/1963 (63 years ago)

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes:laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes:disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

spring end,squared and ground both ends end style, 3.000 pounds minimum and 3.800 pounds maximum load rating, 20 coil quantity, 1.747 inches nominal spring free length, 0.218 inches minimum inside diameter

Product Characteristics

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

Inside Diameter: 0.218 inches minimum
End Style: spring end,squared and ground both ends
Spring Free Length: 1.747 inches nominal
Coil Quantity: 20
Load Rating: 3.000 pounds minimum and 3.800 pounds maximum
Spring Solid Length: 0.640 inches maximum
Spring Solid Outside Diameter: 0.312 inches maximum
Coil Helix Direction: right-hand
Spring Free Outside Diameter: 0.282 inches nominal
Spring Length Under Load: 0.984 inches nominal
Material: steel uns k08500 overall
Material Document And Classification: qq-w-470,comp a fed spec single material response overall
Surface Treatment: oxide overall
Style Designator: cylindrical