The Packing,preformed, cataloged under National Stock Number 5330-01-266-0584, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-266-0584 |
| Primary Part Number | 501-45554547 ITEM 21CP |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 501-45554547 ITEM 21CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 2730-145 ITEM 21CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 501-45554547 ITEM 21 | 3/1 Design control — primary reference U.S. Government activity |
| 2730-145 ITEM 21 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 501-4555457 ITE | C/1 Advisory reference — outside the item-of-supply concept Naval Inventory Control Point Mechanicsburg |
| 501-45554547 ITEM 21CP | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5330-01-266-0584 is a Packing,preformed, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-266-0584 has 2 manufacturer part numbers on file: 501-45554547 ITEM 21CP (Naval Inventory Control Point Mechanicsburg), 2730-145 ITEM 21CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for 501-45554547 ITEM 21CP: Criticality Code Justification: ZZZY; Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 3 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.