The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-537-0682, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-537-0682 |
| Primary Part Number | NC452482 |
| Item Name | Back-Up Ring,preformed Packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Cross-Sectional Shape Style | SOLID |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2498-14-19-28 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| NC452482 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 2498-14-19-28 | 5/9 Secondary reference Circor Intl Inc |
NSN 5330-01-537-0682 is a Back-Up Ring,preformed Packing, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-537-0682 has 2 manufacturer part numbers on file: 2498-14-19-28 (Leslie Controls, Inc. Dba Leslie Controls Inc), NC452482 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for NC452482: Cross-Sectional Shape Style: SOLID; End Item Identification: YCM74708 14 IN. BUTTERFLY VALVE;VIRGINIA CLASS SUBMARINE, SSN-774 IN; Material: PLASTIC POLYTETRAFLUOROETHYLENE. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.