DD-4520 REF NO 15

View detailed technical data, stock status, and sourcing information for: DD-4520 REF NO 15
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5331 O-Ring

National Stock Number

5331-00-165-1936

Item Name Code

47946

Assigment Date

11/19/1971 (54 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.

0.100 inches minimum and 0.106 inches maximum cross-sectional height, mrap rg-33 end item identification, 4.952 inches minimum and 5.022 inches maximum center hole diameter, -15.0 fahrenheit and 400.0 fahrenheit temp rating, 5.152 inches minimum and 5.234 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: 5.152 inches minimum and 5.234 inches maximum
Temp Rating: -15.0 fahrenheit and 400.0 fahrenheit
Cross-Sectional Height: 0.100 inches minimum and 0.106 inches maximum
Center Hole Diameter: 4.952 inches minimum and 5.022 inches maximum
End Item Identification: mrap rg-33
Elongation Percentage: 125 maximum
Hardness Rating: 75.0 shore durometer a nominal
Material: rubber fluorocarbon class fpm

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5331-00-103-1791	No Name Available	12/01/2010
5330-00-111-3723	No Name Available	05/01/1984
5330-00-442-4825	No Name Available	11/01/1986
5330-01-202-4980	No Name Available	01/01/1992

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
10076636	O-Ring
117-8801	O-Ring
17KP370	O-Ring
2-159V0747-75	O-Ring
2-159V1164-75	O-Ring
2-159V1226-75	O-Ring
AS43013-159	O-Ring
DD-4520 REF NO 15	O-Ring
DD-4531 NO 15	O-Ring
DD-4531 REF NO 15	O-Ring
DD-4651 REF NO 15	O-Ring
J221P159	O-Ring
M83248/1-159	O-Ring
MS9388-159	O-Ring
ST3001-159	O-Ring

FAQs

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

What is the FSCG of the NSN 5331-00-165-1936?

The FSCG of the NSN 5331-00-165-1936 is 5331

Does the NSN 5331-00-165-1936 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5331-00-165-1936 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 5331-00-165-1936 contain precious materials?

Item does not contain precious metal.

Does NSN 5331-00-165-1936 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 5331-00-165-1936 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Nov 19, 1971