M2621

View detailed technical data, stock status, and sourcing information for: M2621
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-006-0770

Item Name Code

04214

Assigment Date

06/14/1972 (54 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.

3.256 inches nominal outside diameter, 2.500 inches nominal accommodated shaft diameter, 3.251 inches minimum and 3.253 inches maximum housing bore diameter, square case style, 0.421 inches minimum and 0.453 inches maximum seal width

Product Characteristics

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

Outside Diameter: 3.256 inches nominal
Accommodated Shaft Diameter: 2.500 inches nominal
Seal Width: 0.421 inches minimum and 0.453 inches maximum
Case Style: square
Housing Bore Diameter: 3.251 inches minimum and 3.253 inches maximum
Sealing Element Style: vertical-angular
Material: rubber synthetic sealing element a
Material: rubber synthetic sealing element b
Material: steel case
Surface Treatment: plastic case

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-295-8816	No Name Available	02/02/1974
2520-00-938-0912	No Name Available	05/01/1977

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
171075R91	Plain Encased Seal
301-SN-935	Plain Encased Seal
410519	Plain Encased Seal
410519SSR	Plain Encased Seal
411509R61	Plain Encased Seal
M2621	Plain Encased Seal
M2621A	Plain Encased Seal

FAQs

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

What is the FSCG of the NSN 5330-00-006-0770?

The FSCG of the NSN 5330-00-006-0770 is 5330

Does the NSN 5330-00-006-0770 have a Schedule B code assigned?

Yes, the Schedule B code is 8484200000

Does NSN 5330-00-006-0770 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 5330-00-006-0770 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-006-0770 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 5330-00-006-0770 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Jun 14, 1972