The Packing,preformed, cataloged under National Stock Number 5330-01-549-4686, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-549-4686 |
| Primary Part Number | 845-7284928 ITEM 29CP |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL OVERALL |
| Criticality Code Justification | ZZZW |
| Cross-Sectional Shape Style | O-RING |
| Elongation Percentage | 125 MAXIMUM |
| Departure From Cited Document | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Peripheral Diameter | 4.395 INCHES NOMINAL IN |
| Center Hole Diameter | 3.975 INCHES NOMINAL IN |
| Cross Section Outside Diameter | 0.210 INCHES NOMINAL 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 |
|---|---|
| G547-0002-264382086-29CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 845-7284928 ITEM 29CP PRIMARY | Naval Sea Systems Command (USA) |
| M83248/1-345CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 264382086-29CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 845-7284928 ITEM 29CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 2643-820-86 ITEM 29CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 7550478-264382086-29CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 7550478-264382086-29 | 3/1 Design control — primary reference Naval Sea Systems Command |
| M83248/1-345 | 5/1 Secondary reference U.S. Government activity |
| 264382086-29 | 5/1 Secondary reference U.S. Government activity |
| G547-0002-264382086-29 | 5/1 Secondary reference U.S. Government activity |
| 2643-820-86 ITEM 29 | 5/1 Secondary reference U.S. Government activity |
| 845-7284928 ITEM 29 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5330-01-549-4686 is a Packing,preformed, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-549-4686 has 7 manufacturer part numbers on file: G547-0002-264382086-29CP (Naval Inventory Control Point Mechanicsburg), 845-7284928 ITEM 29CP (Naval Sea Systems Command), M83248/1-345CP (Naval Inventory Control Point Mechanicsburg), 264382086-29CP (Naval Inventory Control Point Mechanicsburg), 845-7284928 ITEM 29CP (Naval Inventory Control Point Mechanicsburg) and 2 more.
Key specifications for 845-7284928 ITEM 29CP: Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL OVERALL; Criticality Code Justification: ZZZW; Cross-Sectional Shape Style: O-RING; Elongation Percentage: 125 MAXIMUM. 9 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.