16S221-7

View detailed technical data, stock status, and sourcing information for: 16S221-7
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 16S221-7 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5360 Coil, Flat, Leaf and Wire Springs

National Stock Number

5360-01-055-3519

Item Name Code

04228

Assigment Date

02/04/1978 (48 years ago)

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes:ring, connecting, round.

0.416 inches nominal inside diameter, 5.76 coil quantity, one hook end overall end style, 0.660 inches nominal center section width, 0.640 inches minimum and 0.680 inches maximum 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: 0.416 inches nominal
End Style: one hook end overall
Spring Free Length: 0.640 inches minimum and 0.680 inches maximum
Center Section Width: 0.660 inches nominal
Coil Quantity: 5.76
Coil Helix Direction: right-hand or left-hand
Spring Free Outside Diameter: 0.488 inches nominal
Coil Axis To Center Section Distance: 1.500 inches nominal
Center Loop Radius: 0.220 inches nominal
End Angular Relationship: ends parallel one to other
End Length: 0.880 inches nominal both ends
Style Designator: single torsion right 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
16S221-7	Torsion Helical Spring

FAQs

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

What is the FSCG of the NSN 5360-01-055-3519?

The FSCG of the NSN 5360-01-055-3519 is 5360

Does NSN 5360-01-055-3519 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 5360-01-055-3519 contain precious materials?

Precious metal content is unknown

Does NSN 5360-01-055-3519 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 5360-01-055-3519 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Feb 4, 1978