The O-Ring, cataloged under National Stock Number 5331-00-576-5308, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-576-5308 |
| Primary Part Number | 5R20-32 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Cross-Sectional Height | 0.108 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.232 INCHES MINIMUM AND 2.298 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 |
|---|---|
| 5R20-32 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5331-00-576-5308 is a O-Ring, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-576-5308 has 1 manufacturer part number on file: 5R20-32 (The Boeing Company Div Legacy Am&m).
Key specifications for 5R20-32: Cross-Sectional Height: 0.108 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Center Hole Diameter: 2.232 INCHES MINIMUM AND 2.298 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q. 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.