SEL-303

View detailed technical data, stock status, and sourcing information for: SEL-303
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-741-7233

Item Name Code

32556

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.

consists of 1 helical compression spring,1 plain seal,1 plain seal encased,spring dim. 2.375 in. id 2,688 in. od,2.125 in lg,matl size 0.125 in.,2.312 in. rod od over which spring must work,plain seal dim. 2 in. id,2.688 in. od,0.312 in. thk,steel ring 0.125 in. thk,rubber ring 0.188 in. thk,plain seal encased 2.750 in. od,2 in. id,flanged body od 2.375 in. height 0.688 in. general characteristics item description

Product Characteristics

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

General Characteristics Item Description: consists of 1 helical compression spring,1 plain seal,1 plain seal encased,spring dim. 2.375 in. id 2,688 in. od,2.125 in lg,matl size 0.125 in.,2.312 in. rod od over which spring must work,plain seal dim. 2 in. id,2.688 in. od,0.312 in. thk,steel ring 0.125 in. thk,rubber ring 0.188 in. thk,plain seal encased 2.750 in. od,2 in. id,flanged body od 2.375 in. height 0.688 in.

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4130-00-435-5447	No Name Available	03/28/1969

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
SEL-0303	Spring Loade Shaft Seal Assembly
SEL-303	Spring Loade Shaft Seal Assembly
SEL22	Spring Loade Shaft Seal Assembly

FAQs

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

What is the FSCG of the NSN 4320-00-741-7233?

The FSCG of the NSN 4320-00-741-7233 is 4320

Does the NSN 4320-00-741-7233 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-741-7233 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 4320-00-741-7233 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-741-7233 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4320-00-741-7233 was assigned to the Federal Catalog?

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