1681N2

View detailed technical data, stock status, and sourcing information for: 1681N2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-740-9865

Item Name Code

20256

Assigment Date

01/01/1963 (63 years ago)

4.000 inches nominal outside diameter, 0.500 inches nominal material thickness, concentric ring style, outside grooved, straight face cross-sectional shape style, 2.969 inches nominal inside diameter

Product Characteristics

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

Cross-Sectional Shape Style: outside grooved, straight face
Inside Diameter: 2.969 inches nominal
Outside Diameter: 4.000 inches nominal
Material Thickness: 0.500 inches nominal
Ring Style: concentric
Material: leather overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3810-00-695-1144	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
113587R11	Wiper Ring
1681N2	Wiper Ring
7409865	Wiper Ring
915602	Wiper Ring
HCF449	Wiper Ring
KC9314	Wiper Ring

FAQs

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

What is the FSCG of the NSN 5330-00-740-9865?

The FSCG of the NSN 5330-00-740-9865 is 5330

Does the NSN 5330-00-740-9865 have a Schedule B code assigned?

Yes, the Schedule B code is 8412909005

Does NSN 5330-00-740-9865 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 5330-00-740-9865 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-740-9865 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5330-00-740-9865 was assigned to the Federal Catalog?

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