5330-01-257-7438

Find complete technical information, availability, and procurement data for: 5330-01-257-7438
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-01-257-7438

Item Name Code

04521

Assigment Date

06/23/1987 (39 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

-40.0 fahrenheit and 250.0 fahrenheit temp rating, o-ring cross-sectional shape style, 85.0 shore durometer a minimum and 95.0 shore durometer a maximum overall hardness rating, 0.135 inches minimum and 0.143 inches maximum cross-sectional height, 1.222 inches minimum and 1.246 inches maximum center hole diameter

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: o-ring
Temp Rating: -40.0 fahrenheit and 250.0 fahrenheit
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 1.222 inches minimum and 1.246 inches maximum
Hardness Rating: 85.0 shore durometer a minimum and 95.0 shore durometer a maximum overall
Color: black
Material: rubber butadiene-acrylonitrile class nbr overall
Material Document And Classification: astm/sae d2000/j200 7bg915b14b34eo14eo34ef11ef21ea14 assn std single material response overall
Reference Data And Literature: sae as568 and j200

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
2-218-8309	Preformed Packing
218-8309	Preformed Packing
PRP218-8309	Preformed Packing

FAQs

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

What is the FSCG of the NSN 5330-01-257-7438?

The FSCG of the NSN 5330-01-257-7438 is 5330

Does the NSN 5330-01-257-7438 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-01-257-7438 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 5330-01-257-7438 contain precious materials?

Precious metal content is unknown

Does NSN 5330-01-257-7438 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 5330-01-257-7438 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Jun 23, 1987