5330-00-305-0749

Find complete technical information, availability, and procurement data for: 5330-00-305-0749
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-305-0749

Item Name Code

20256

Assigment Date

01/01/1963 (63 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

3.250 inches nominal inside diameter, plain rectangular, straight face cross-sectional shape style, 4.250 inches nominal outside diameter, concentric ring style, 0.180 inches nominal material thickness

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: plain rectangular, straight face
Inside Diameter: 3.250 inches nominal
Outside Diameter: 4.250 inches nominal
Material Thickness: 0.180 inches nominal
Ring Style: concentric
Outer Edge Thickness: 0.180 inches nominal
Material: aluminum alloy overall

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
1015-305-0749	Wiper Ring
8401138	Wiper Ring

FAQs

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

What is the FSCG of the NSN 5330-00-305-0749?

The FSCG of the NSN 5330-00-305-0749 is 5330

Does the NSN 5330-00-305-0749 have a Schedule B code assigned?

Yes, the Schedule B code is 8412909005

Does NSN 5330-00-305-0749 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 5330-00-305-0749 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-00-305-0749 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 5330-00-305-0749 was assigned to the Federal Catalog?

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