691-656

View detailed technical data, stock status, and sourcing information for: 691-656
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5360 Coil, Flat, Leaf and Wire Springs

National Stock Number

5360-00-292-2275

Item Name Code

04228

Assigment Date

01/01/1963 (63 years ago)

An item having internal and/or external machine thread(s) (threads other than pipe or hose series), specifically designed to retain, by means or groove(s), shoulder(s), and the like, packing and/or a packing gland within a stuffing box. See also bushing, machine thread; inverted nut, tube coupling; and nut, tube coupling. Excludes:packing nut, stuffing tube; and use with electrical cable, and locknut, pipe.

0.187 inches minimum and 0.193 inches maximum inside diameter, offset half loop, left end first end end style, machine loop end second end end style, 2-1/4 coil quantity, 0.035 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: 0.187 inches minimum and 0.193 inches maximum
End Style: machine loop end second end
End Style: offset half loop, left end first end
Spring Free Length: 0.035 inches nominal
Coil Quantity: 2-1/4
Coil Helix Direction: right-hand
Spring Free Outside Diameter: 0.205 inches minimum and 0.211 inches maximum
End Angular Relationship: ends angled one to other
End Length From Second Bend To Third Bend Or End: 0.040 inches nominal second end
End Length From Second Bend To Third Bend Or End: 0.081 inches nominal first end
Style Designator: single torsion left hand

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6760-00-329-8558	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
691-656	Torsion Helical Spring

FAQs

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

What is the FSCG of the NSN 5360-00-292-2275?

The FSCG of the NSN 5360-00-292-2275 is 5360

Does NSN 5360-00-292-2275 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 5360-00-292-2275 contain precious materials?

Precious metal content is unknown

Does NSN 5360-00-292-2275 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 5360-00-292-2275 was assigned to the Federal Catalog?

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