The O-Ring, cataloged under National Stock Number 5331-01-682-1687, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sealcon Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-682-1687 |
| Primary Part Number | OR-21-BN |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sealcon Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.08 INCHES NOMINAL IN |
| Center Hole Diameter | 1.02 INCHES NOMINAL IN |
| Material | RUBBER |
| 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 |
|---|---|
| OR-21-BN PRIMARY | Sealcon Llc (USA) |
| 7A29048 REV G FIND NO 26 | Federal Equipment Co (USA) |
NSN 5331-01-682-1687 is a O-Ring, manufactured by Sealcon Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-682-1687 has 2 manufacturer part numbers on file: OR-21-BN (Sealcon Llc), 7A29048 REV G FIND NO 26 (Federal Equipment Co).
Key specifications for OR-21-BN: Cross-Sectional Height: 0.08 INCHES NOMINAL IN; Center Hole Diameter: 1.02 INCHES NOMINAL IN; Material: RUBBER. 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.