The Packing,preformed, cataloged under National Stock Number 5330-01-549-4563, 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 8 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-549-4563 |
| Primary Part Number | 7550478-264340501-77CP |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL OVERALL |
| Criticality Code Justification | ZZZW |
| Elongation Percentage | 125 MAXIMUM |
| Departure From Cited Document | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Peripheral Diameter | 2.512 INCHES NOMINAL IN |
| Center Hole Diameter | 2.214 INCHES MINIMUM AND 2.254 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM OVERALL |
| 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 |
|---|---|
| 7550478-264340501-77CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 845-7285244 ITEM 77CP | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-0002-264340501-77CP | Naval Inventory Control Point Mechanicsburg (USA) |
| M83248/2-228CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 264340501-77CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 2643-405-01 ITEM 77CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 7550478-264340501-77 | 3/1 Design control — primary reference Naval Sea Systems Command |
| M83248/2-228 | 5/1 Secondary reference U.S. Government activity |
| 2643-405-01 ITEM 77 | 5/1 Secondary reference U.S. Government activity |
| G547-0002-264340501-77 | 5/1 Secondary reference U.S. Government activity |
| AS3581-228 CP | 5/9 Secondary reference U.S. Government activity |
| AS3581-228 CP | 5/1 Secondary reference Sae International Dba Sae International |
| 845-7285244 ITEM 77 | 5/1 Secondary reference Naval Sea Systems Command |
| 264340501-77 | 5/1 Secondary reference U.S. Government activity |
NSN 5330-01-549-4563 is a Packing,preformed, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-549-4563 has 6 manufacturer part numbers on file: 7550478-264340501-77CP (Naval Inventory Control Point Mechanicsburg), 845-7285244 ITEM 77CP (Naval Inventory Control Point Mechanicsburg), G547-0002-264340501-77CP (Naval Inventory Control Point Mechanicsburg), M83248/2-228CP (Naval Inventory Control Point Mechanicsburg), 264340501-77CP (Naval Inventory Control Point Mechanicsburg) and 1 more.
Key specifications for 7550478-264340501-77CP: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL OVERALL; Criticality Code Justification: ZZZW; Elongation Percentage: 125 MAXIMUM. 8 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.