The O-Ring, cataloged under National Stock Number 5331-00-559-8708, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Drager Safety Ag & Co. Kgaa. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-00-559-8708 |
| Primary Part Number | E21108-06 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Drager Safety Ag & Co. Kgaa |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.731 INCHES MINIMUM AND 0.743 INCHES MAXIMUM IN |
| Material | RUBBER NATURAL OR RUBBER SYNTHETIC |
| 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 |
|---|---|
| E21108-06 | Drager Safety Ag & Co. Kgaa (DEU) |
| Reference | Meaning |
|---|---|
| E21108-06 | 5/9 Secondary reference B/e Aerospace Systems Gmbh Div Life Support Systems Europe |
| 815743 | 5/9 Secondary reference U.S. Government activity |
| 815743-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-00-559-8708 is a O-Ring, manufactured by Drager Safety Ag & Co. Kgaa, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-559-8708 has 1 manufacturer part number on file: E21108-06 (Drager Safety Ag & Co. Kgaa).
Key specifications for E21108-06: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 0.731 INCHES MINIMUM AND 0.743 INCHES MAXIMUM IN; Material: RUBBER NATURAL OR RUBBER SYNTHETIC. 3 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.