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NSN 5330-01-570-1642, 5330015701642
BACK-UP RING,PREFORMED PACKING

Federal Supply Classification
FSC 5330 - Packing and Gasket Materials
National Item Identification Number
NIIN 015701642
Codification Country
United States
Item Name Code
INC 66949
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
(P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.
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DLMS® Summary

National Stock Number 5330-01-570-1642

National Stock Number (NSN) 5330-01-570-1642, or NIIN 015701642, (back-up ring,preformed packing) was assigned December 17, 2008 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

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

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 02, 2015, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 66949. [A CIRCULAR SHAPED ITEM WITH AN APERTURE MANUFACTURED TO PREDETERMINED DIMENSIONS, CONSTRUCTED WITH A RECTANGULAR CROSS SECTION THAT MAY BE SOLID, WITH JOINT, OR IN A HELICAL FORM THAT FACILITATES SPIRAL WRAP INSTALLATION. IT PREVENTS SEAL EXTRUSION UNDER PRESSURE AND IS DESIGNED TO FIT ON THE DOWN-PRESSURE SIDE OF A GLAND GROOVE WITH A PACKING, PREFORMED OR O-RING.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5330015701642 does not contain precious metals.

This information was last updated on .


Technical Characteristics

III MATERIAL
(MATT) PLASTIC POLYESTER AND PLASTIC URETHANE
END ITEM IDENTIFICATION
(AGAV) 2320-01-522-1859
CENTER HOLE DIAMETER
(ADYT) 0.705 INCHES NOMINAL
CROSS-SECTIONAL HEIGHT
(ADVN) 0.049 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) BACK-UP RING
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) DUPONT HYTREL MFR REF SINGLE MATERIAL RESPONSE
MATERIAL
(MATT) PLASTIC POLYESTER AND PLASTIC URETHANE
PERIPHERAL DIAMETER
(ADYU) 0.811 INCHES NOMINAL
III PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) BACK-UP RING
III END ITEM IDENTIFICATION
(AGAV) 2320-01-522-1859

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