N400A

View detailed technical data, stock status, and sourcing information for: N400A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-250-0238

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.

0.135 inches minimum and 0.143 inches maximum cross-sectional height, rubber butadiene-acrylonitrile class nbr material, 1.103 inches minimum and 1.115 inches maximum center hole diameter, 1.367 inches minimum and 1.407 inches maximum outside 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: 1.367 inches minimum and 1.407 inches maximum
Cross-Sectional Height: 0.135 inches minimum and 0.143 inches maximum
Center Hole Diameter: 1.103 inches minimum and 1.115 inches maximum
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Below is a list of NSNs that have been officially superseded by this NSN: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
5330-00-627-5659	No Name Available	05/01/1977
4330-00-868-7963	No Name Available	01/01/1960
5330-00-896-7832	No Name Available	04/17/1968
4330-00-932-4929	No Name Available	03/25/1968

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
10163231	O-Ring
124-5563779 PC 80	O-Ring
2-216 N602-70	O-Ring
20A11CM216	O-Ring
4457-65-73	O-Ring
5331PL0143705	O-Ring
AS29513-216	O-Ring
MS29513-216	O-Ring
MS29513-216ES	O-Ring
N0602-70	O-Ring
N400A	O-Ring
PRP568-216-457-60	O-Ring
RT253-65-216	O-Ring
SR 822B60	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-250-0238?

The FSCG of the NSN 5331-00-250-0238 is 5331

Does the NSN 5331-00-250-0238 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-250-0238 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 5331-00-250-0238 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-00-250-0238 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 5331-00-250-0238 was assigned to the Federal Catalog?

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