49857

View detailed technical data, stock status, and sourcing information for: 49857
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-297-6438

Item Name Code

04214

Assigment Date

01/01/1963 (63 years ago)

A pliable rubber, felt, leather, or composition ring-shaped element, split or solid; with or without spring or spreader, having a metal shell on all or a portion of at least two of the outer surfaces. It may be designed to be either bolt mounted or pressmounted between fixed and moveable parts to form a tight and effective seal by the pressure of the spring or spreader or the resiliency inherent in the element material. Excludes:packing with retainer.

round hole attachment method, 0.468 inches nominal attachment hole diameter, 4.000 inches nominal single circle attachment feature circle diameter, 6 attachment feature quantity, 2.062 inches nominal accommodated shaft diameter

Product Characteristics

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

Attachment Method: round hole
Accommodated Shaft Diameter: 2.062 inches nominal
Attachment Feature Quantity: 6
Attachment Hole Diameter: 0.468 inches nominal
Attachment Feature Circle Diameter: 4.000 inches nominal single circle
Seal Width: 0.475 inches minimum and 0.485 inches maximum
Accommodated Shaft Maximum Rated Speed: 2000 feet per minute
End Item Identification: aircraft, orion p-3
Case Style: shouldered
Housing Bore Diameter: 4.748 inches minimum and 4.752 inches maximum
Sealing Element Style: angular
Material: rubber butadiene-acrylonitrile class nbr sealing element
Material Document And Classification: astm d2000,2bg910alb1e3 assn std single material response sealing element

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2520-00-301-8717	No Name Available	07/16/1971

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
43-909	Plain Encased Seal
49857	Plain Encased Seal
915496	Plain Encased Seal
SP202306J	Plain Encased Seal

FAQs

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

What is the FSCG of the NSN 5330-00-297-6438?

The FSCG of the NSN 5330-00-297-6438 is 5330

Does the NSN 5330-00-297-6438 have a Schedule B code assigned?

Yes, the Schedule B code is 8484200000

Does NSN 5330-00-297-6438 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 5330-00-297-6438 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-297-6438 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 5330-00-297-6438 was assigned to the Federal Catalog?

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