388M4

View detailed technical data, stock status, and sourcing information for: 388M4

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388M4
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5360 Coil, Flat, Leaf and Wire Springs
National Stock Number
5360-00-297-7411
Item Name Code
04227
Assigment Date
01/01/1963 (63 years ago)

closed design type, 6-1/2 coil quantity, 0.313 inches nominal inside diameter, 2.438 inches nominal spring free length, machine hook 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
0.313 inches nominal
End Style
machine hook both ends
Spring Free Length
2.438 inches nominal
Coil Quantity
6-1/2
Design Type
closed
Load Rating
25.00 pounds minimum and 35.00 pounds maximum
Coil Helix Direction
right-hand
Spring Free Outside Diameter
0.563 inches nominal
Spring Length Under Load
2.625 inches nominal
Coil To Hook Inside Length
0.500 inches nominal first end
Material
steel overall
Style Designator
cylindrical

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
2520-00-620-3139 No Name Available 01/01/1963

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
2858B158 Extension Helical Spring
388M4 Extension Helical Spring
8A6403 Extension Helical Spring
99066R1 Extension Helical Spring

FAQs

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

What is the FSCG of the NSN 5360-00-297-7411?
The FSCG of the NSN 5360-00-297-7411 is 5360
Does NSN 5360-00-297-7411 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 5360-00-297-7411 contain precious materials?
Precious metal content is unknown
Does NSN 5360-00-297-7411 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 5360-00-297-7411 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

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