MS29561-218ES

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-618-2516

Item Name Code

47946

Assigment Date

01/01/1961 (65 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.

1.512 inches nominal outside diameter, 0.135 inches minimum and 0.143 inches maximum cross-sectional height, 250 maximum elongation percentage, 70.0 shore durometer a nominal hardness rating, 1.228 inches minimum and 1.240 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.

Outside Diameter: 1.512 inches nominal
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 1.228 inches minimum and 1.240 inches maximum
Elongation Percentage: 250 maximum
Hardness Rating: 70.0 shore durometer a nominal
Material: rubber butadiene-acrylonitrile class nbr

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-171-6534	No Name Available	08/11/1967
5330-00-171-7998	No Name Available	10/01/1975
5330-00-576-9128	No Name Available	12/01/1975
1650-00-807-7936	No Name Available	01/01/1960
5330-00-986-1913	No Name Available	01/12/1973

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
15971PC11	O-Ring
16237REVALINE7	O-Ring
2-218 47-071	O-Ring
2-218612-45	O-Ring
250-16273PC17	O-Ring
2604-218	O-Ring
2620-241REVCPC321	O-Ring
33139PC23	O-Ring
33149PCALL	O-Ring
37604-218	O-Ring
5331PL0144076	O-Ring
AN6227-23VIT0NA	O-Ring
MS29561-218	O-Ring
MS29561-218ES	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-618-2516?

The FSCG of the NSN 5331-00-618-2516 is 5331

Does the NSN 5331-00-618-2516 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-618-2516 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 5331-00-618-2516 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-00-618-2516 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 5331-00-618-2516 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961