21839DB

View detailed technical data, stock status, and sourcing information for: 21839DB
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-297-5035

Item Name Code

04522

Assigment Date

01/01/1963 (63 years ago)

3.312 inches nominal bolt circle diameter, 3.875 inches nominal outside diameter, 0.344 inches nominal hole diameter, solid single or composition cross-sectional shape style, 2.844 inches minimum and 2.875 inches maximum aperture 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: solid single or composition
Hole Diameter: 0.344 inches nominal
Bolt Circle Diameter: 3.312 inches nominal
Outside Diameter: 3.875 inches nominal
Aperture Diameter: 2.844 inches minimum and 2.875 inches maximum
Cross-Sectional Thickness: 0.032 inches nominal
Bolt Hole Quantity: 4
Material: cellulose and rubber overall
Style Designator: circular

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2930-00-173-1340	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
21839DB	Gasket

FAQs

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

What is the FSCG of the NSN 5330-00-297-5035?

The FSCG of the NSN 5330-00-297-5035 is 5330

Does NSN 5330-00-297-5035 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 5330-00-297-5035 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-297-5035 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 5330-00-297-5035 was assigned to the Federal Catalog?

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