28P3

View detailed technical data, stock status, and sourcing information for: 28P3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-292-1631

Item Name Code

04214

Assigment Date

01/01/1961 (65 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.

0.406 inches minimum and 0.469 inches maximum seal width, square case style, 1.250 inches nominal accommodated shaft diameter, 2000 feet per minute accommodated shaft maximum rated speed, -40.0 fahrenheit and 200.0 fahrenheit temp rating

Product Characteristics

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

Temp Rating: -40.0 fahrenheit and 200.0 fahrenheit
Accommodated Shaft Diameter: 1.250 inches nominal
Seal Width: 0.406 inches minimum and 0.469 inches maximum
Accommodated Shaft Maximum Rated Speed: 2000 feet per minute
Case Style: square
Housing Bore Diameter: 2.062 inches nominal
Hardness Rating: 80.0 shore durometer a nominal overall
Sealing Element Style: angular
Maximum Pressure Rating: 7.0 pounds per square inch
Color: black
Material: leather or rubber synthetic sealing element
Material: steel case
Material: steel spring

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-286-7174	No Name Available	04/01/1977
3930-00-733-9708	No Name Available	06/10/1966
5330-00-952-2671	No Name Available	06/01/1977

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
21158-0431	Plain Encased Seal
28P3	Plain Encased Seal
2C108	Plain Encased Seal
425025	Plain Encased Seal
43-1084	Plain Encased Seal
450344SSR	Plain Encased Seal
473425	Plain Encased Seal
49457	Plain Encased Seal
50244S	Plain Encased Seal
51X431	Plain Encased Seal
757761	Plain Encased Seal

FAQs

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

What is the FSCG of the NSN 5330-00-292-1631?

The FSCG of the NSN 5330-00-292-1631 is 5330

Does the NSN 5330-00-292-1631 have a Schedule B code assigned?

Yes, the Schedule B code is 8484200000

Does NSN 5330-00-292-1631 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 5330-00-292-1631 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-292-1631 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 5330-00-292-1631 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961