NSN 5330-01-643-5744 DCL-1600-DN-CVN SHT 4 PART 9 , DCL1600DNCVNSHT4PART9, 01-643-5744
Product Details | PREFORMED PACKING BACK-UP RING
5330-01-643-5744 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.
Part Alternates: DCL-1600-DN-CVN SHT 4 PART 9 , DCL1600DNCVNSHT4PART9, 5330-01-643-5744, 01-643-5744, 5330016435744, 016435744
Hardware and Abrasives | Packing and Gasket Materials
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 2015097 | 01-643-5744 | 66949 ( BACK-UP RING, PREFORMED PACKING ) |
Demand History | NSN 5330-01-643-5744
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 5330-01-643-5744 | 2017-12-347 | 124 | DIBBS |
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Related Products | NSN 5330-01-643-5744
Technical Data | NSN 5330-01-643-5744
| Characteristic | Specifications |
|---|---|
| III MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE |
| CROSS-SECTIONAL SHAPE STYLE | SINGLE TURN SPIRAL |
| III END ITEM IDENTIFICATION | STOP VALVE CARTRIDGE |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | ANTI-EXTRUSION RING |
| CROSS-SECTIONAL HEIGHT | 0.053 INCHES NOMINAL |
| CENTER HOLE DIAMETER | 0.625 INCHES NOMINAL |
| PERIPHERAL DIAMETER | 0.831 INCHES NOMINAL |
Restrictions/Controls & Freight Information | NSN 5330-01-643-5744
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | P | There is no information in the HMIS; 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 |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||
Management | NSN 5330-01-643-5744
| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |



