1M8508

View detailed technical data, stock status, and sourcing information for: 1M8508
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-01-457-7603

Item Name Code

04522

Assigment Date

08/03/1998 (27 years ago)

An item designed to be mounted around a shaft to limit axial movement of the shaft and/or its assembled parts. It is secured directly to the shaft by use of a setscrew(s), pin(s), or the like, which may be a part of the item of supply. A pilot hole drilled in or through the wall(s) for drilling and pinning at application may be considered a method of securing. Solid items have a bearing surface on one or both end(s) perpendicular to the axis. For items designed to be mounted around the extended hub portion of a mounted item on a shaft or clamp around a shaft, see clamp, hub. See also bearing, sleeve; bushing, sleeve; spacer, sleeve; and coupling, shaft, rigid.

0.438 inches nominal hole diameter, 3.438 inches nominal overall length, solid single or composition cross-sectional shape style, 0.190 inches nominal inside corner radius, 1.500 inches nominal overall width

Product Characteristics

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

Cross-Sectional Shape Style: solid single or composition
Hole Diameter: 0.438 inches nominal
Overall Length: 3.438 inches nominal
Overall Width: 1.500 inches nominal
Inside Corner Radius: 0.190 inches nominal
Outside Corner Radius: 0.500 inches nominal
Cross-Sectional Thickness: 0.031 inches nominal
Environmental Attribute Code: asbestos alternative products
Special Features: contains non-asbestos material

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-074-3609	No Name Available	10/01/2007

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
1M8508	Gasket
1M8508 NON-ASBESTOS	Gasket

FAQs

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

What is the FSCG of the NSN 5330-01-457-7603?

The FSCG of the NSN 5330-01-457-7603 is 5330

Does NSN 5330-01-457-7603 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 5330-01-457-7603 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-01-457-7603 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 5330-01-457-7603 was assigned to the Federal Catalog?

It was assigned 27 years ago, on Mon, Aug 3, 1998