AS568-345MILG21569CL1

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-01-065-7429

Item Name Code

47946

Assigment Date

09/23/1978 (47 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

0.205 inches minimum and 0.215 inches maximum cross-sectional height, 4.395 inches nominal outside diameter, 3.960 inches minimum and 3.990 inches maximum center hole diameter, -40.0 fahrenheit and 250.0 fahrenheit temp rating, zzzy criticality code justification

Product Characteristics

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

Outside Diameter: 4.395 inches nominal
Temp Rating: -40.0 fahrenheit and 250.0 fahrenheit
Cross-Sectional Height: 0.205 inches minimum and 0.215 inches maximum
Center Hole Diameter: 3.960 inches minimum and 3.990 inches maximum
Criticality Code Justification: zzzy
Material: rubber butadiene-acrylonitrile class nbr
Test Data Document: "81349-mil-p-23199 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Reference Number Differentiating Characteristics: certified free from mercury contamination

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
2-345N674-70	O-Ring
3140029	O-Ring
AS568-345	O-Ring
AS568-345MILG21569CL1	O-Ring
F-412 PART 6303	O-Ring
MILG21569CL1	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-01-065-7429?

The FSCG of the NSN 5331-01-065-7429 is 5331

Does the NSN 5331-01-065-7429 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-01-065-7429 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 5331-01-065-7429 contain precious materials?

Precious metal content is unknown

Does NSN 5331-01-065-7429 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 5331-01-065-7429 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Sat, Sep 23, 1978