645K6

View detailed technical data, stock status, and sourcing information for: 645K6
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-487-5671

Item Name Code

04521

Assigment Date

01/01/1963 (63 years ago)

4.836 inches nominal center hole diameter, 5.001 inches minimum and 5.031 inches maximum peripheral diameter, 40.0 shore durometer a nominal overall hardness rating, special cross-sectional shape style, 0.070 inches nominal cross-sectional height

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: special
Cross-Sectional Height: 0.070 inches nominal
Center Hole Diameter: 4.836 inches nominal
Peripheral Diameter: 5.001 inches minimum and 5.031 inches maximum
Hardness Rating: 40.0 shore durometer a nominal overall
Material: rubber butadiene-styrene class sbr overall
Material Document And Classification: mil-r-6855 cl 3 mil spec single material response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-487-5670	No Name Available	04/08/1974

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
645K-6-2	Preformed Packing
645K6	Preformed Packing
645K6-2	Preformed Packing

FAQs

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

What is the FSCG of the NSN 5330-00-487-5671?

The FSCG of the NSN 5330-00-487-5671 is 5330

Does the NSN 5330-00-487-5671 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-00-487-5671 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 5330-00-487-5671 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-487-5671 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 5330-00-487-5671 was assigned to the Federal Catalog?

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