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NSN 5331-00-005-0813, 5331000050813
O-RING

Federal Supply Classification
FSC 5331 - O-Ring
National Item Identification Number
NIIN 000050813
Codification Country
United States
Item Name Code
INC 47946
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 5331-00-005-0813

National Stock Number (NSN) 5331-00-005-0813, or NIIN 000050813, (o-ring) was assigned June 7, 1972 in the Federal Logistics Information System (FLIS). NIIN 000050813 was cancelled on December 2, 2014, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5331002917340. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years.

This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 28, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 47946. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5331000050813 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

CENTER HOLE DIAMETER
(ADYT) 1.849 INCHES MINIMUM AND 1.869 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT
(ADVN) 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM
MATERIAL
(MATT) RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU

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