HR20977

View detailed technical data, stock status, and sourcing information for: HR20977
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-178-5131

Item Name Code

04214

Assigment Date

01/01/1963 (63 years ago)

2000 feet per minute accommodated shaft maximum rated speed, 0.500 inches nominal seal width, square case style, 2.875 inches nominal housing bore diameter, 1.875 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.

Accommodated Shaft Diameter: 1.875 inches nominal
Seal Width: 0.500 inches nominal
Accommodated Shaft Maximum Rated Speed: 2000 feet per minute
Case Style: square
Housing Bore Diameter: 2.875 inches nominal
Sealing Element Style: angular
Material: leather sealing element
Material: steel case

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
13830-116	Plain Encased Seal
18733	Plain Encased Seal
33S44150-2510	Plain Encased Seal
HR20977	Plain Encased Seal
HY183-4	Plain Encased Seal
MB2578-22	Plain Encased Seal
MC1346S22-0-60ERPC22	Plain Encased Seal
W37A3	Plain Encased Seal

FAQs

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

What is the FSCG of the NSN 5330-00-178-5131?

The FSCG of the NSN 5330-00-178-5131 is 5330

Does the NSN 5330-00-178-5131 have a Schedule B code assigned?

Yes, the Schedule B code is 8484200000

Does NSN 5330-00-178-5131 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 5330-00-178-5131 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-178-5131 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 5330-00-178-5131 was assigned to the Federal Catalog?

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