The O-Ring, cataloged under National Stock Number 5331-01-547-6663, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-547-6663 |
| Primary Part Number | 801-6408786 FIND NO 8CP |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| 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 |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | MIL-R-83248 CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 1.284 INCHES MINIMUM AND 1.308 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 801-6408786 FIND NO 8CP | Naval Inventory Control Point Mechanicsburg (USA) |
| M83248/2-219 | Naval Inventory Control Point Mechanicsburg (USA) |
| M83248/2-219CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| AS3581-219CP | 5/9 Secondary reference U.S. Government activity |
| AS3581-219CP | 5/1 Secondary reference Sae International Dba Sae International |
| 801-6408786 FIND NO 8 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 5331-01-547-6663 is a O-Ring, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-547-6663 has 3 manufacturer part numbers on file: 801-6408786 FIND NO 8CP (Naval Inventory Control Point Mechanicsburg), M83248/2-219 (Naval Inventory Control Point Mechanicsburg), M83248/2-219CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for 801-6408786 FIND NO 8CP: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Criticality Code Justification: ZZZY; Material Document and Classification: MIL-R-83248 CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.