21918D

View detailed technical data, stock status, and sourcing information for: 21918D
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-291-1616

Item Name Code

04214

Assigment Date

01/01/1963 (63 years ago)

3.000 inches nominal accommodated shaft diameter, 4.003 inches nominal housing bore diameter, 0.438 inches minimum and 0.500 inches maximum seal width, 2000 feet per minute accommodated shaft maximum rated speed, square case style

Product Characteristics

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

Accommodated Shaft Diameter: 3.000 inches nominal
Seal Width: 0.438 inches minimum and 0.500 inches maximum
Accommodated Shaft Maximum Rated Speed: 2000 feet per minute
Case Style: square
Housing Bore Diameter: 4.003 inches nominal
Sealing Element Style: angular
Material: leather or rubber synthetic sealing element

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-364-5069	No Name Available	01/09/1967

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
0031164	Plain Encased Seal
1-455	Plain Encased Seal
11981A	Plain Encased Seal
2040H25	Plain Encased Seal
21918D	Plain Encased Seal
2B6005	Plain Encased Seal
F299A	Plain Encased Seal
ICW109	Plain Encased Seal
JT467A	Plain Encased Seal
L4003	Plain Encased Seal
S16114	Plain Encased Seal
SC7611	Plain Encased Seal
SP1221	Plain Encased Seal
TX146	Plain Encased Seal

FAQs

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

What is the FSCG of the NSN 5330-00-291-1616?

The FSCG of the NSN 5330-00-291-1616 is 5330

Does the NSN 5330-00-291-1616 have a Schedule B code assigned?

Yes, the Schedule B code is 8484200000

Does NSN 5330-00-291-1616 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 5330-00-291-1616 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-00-291-1616 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 5330-00-291-1616 was assigned to the Federal Catalog?

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