STD212-325-12

View detailed technical data, stock status, and sourcing information for: STD212-325-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-925-0458

Item Name Code

04214

Assigment Date

01/24/1966 (60 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

2.125 inches nominal accommodated shaft diameter, 3000 feet per minute accommodated shaft maximum rated speed, 0.375 inches nominal seal width, square case style, 3.250 inches nominal housing bore 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: 2.125 inches nominal
Seal Width: 0.375 inches nominal
Accommodated Shaft Maximum Rated Speed: 3000 feet per minute
Case Style: square
Housing Bore Diameter: 3.250 inches nominal
Sealing Element Style: angular
Material: rubber synthetic sealing element
Material: steel case

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-708-5645	No Name Available	04/01/1978

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
STD212-325-12	Plain Encased Seal

FAQs

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

What is the FSCG of the NSN 5330-00-925-0458?

The FSCG of the NSN 5330-00-925-0458 is 5330

Does the NSN 5330-00-925-0458 have a Schedule B code assigned?

Yes, the Schedule B code is 8484200000

Does NSN 5330-00-925-0458 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 5330-00-925-0458 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-00-925-0458 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 5330-00-925-0458 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Mon, Jan 24, 1966