20211 PC 7

View detailed technical data, stock status, and sourcing information for: 20211 PC 7
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-008-3497

Item Name Code

04521

Assigment Date

07/21/1972 (54 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.

zzzy criticality code justification, 0.911 inches minimum and 0.931 inches maximum center hole diameter, 1.199 inches nominal peripheral diameter, 0.135 inches minimum and 0.143 inches maximum cross section outside diameter, o-ring cross-sectional shape style

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
Cross Section Outside Diameter: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 0.911 inches minimum and 0.931 inches maximum
Peripheral Diameter: 1.199 inches nominal
Criticality Code Justification: zzzy
Reference Number Differentiating Characteristics: material will be in accordance with navicp mech; activity hx quality control, manufacturing and testing specifications.

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
2-213E540-80	Preformed Packing
20092PC39	Preformed Packing
20186PC43	Preformed Packing
20211 PC 7	Preformed Packing
216-6640781FINDRA-F142	Preformed Packing
820-6603905FINDSG-F211	Preformed Packing
A15663	Preformed Packing
A6689-213-222	Preformed Packing
E0540 2-213	Preformed Packing
E540-80 AS568-213	Preformed Packing

FAQs

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

What is the FSCG of the NSN 5330-00-008-3497?

The FSCG of the NSN 5330-00-008-3497 is 5330

Does the NSN 5330-00-008-3497 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-00-008-3497 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 5330-00-008-3497 contain precious materials?

Item does not contain precious metal.

Does NSN 5330-00-008-3497 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 5330-00-008-3497 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Jul 21, 1972