The O-Ring, cataloged under National Stock Number 5331-01-143-6604, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-143-6604 |
| Primary Part Number | L0449 2-003 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| L0449 2-003 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 287-6008P131 | Raytheon Company Dba Raytheon Co (USA) |
| 287-6008P131 | Raytheon Company (USA) |
| L0449 3-903 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 287-6008P131 | 5/9 Secondary reference Raytheon Company Div Corp |
| 2-003L449-65 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 3-003L449-65 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-01-143-6604 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-143-6604 has 4 manufacturer part numbers on file: L0449 2-003 (Parker-Hannifin Corp Div O-Ring Division), 287-6008P131 (Raytheon Company Dba Raytheon Co), 287-6008P131 (Raytheon Company), L0449 3-903 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for L0449 2-003: Cross-Sectional Height: 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN; Elongation Percentage: 125 MAXIMUM; Center Hole Diameter: 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q. 4 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.