The O-Ring, cataloged under National Stock Number 5331-00-010-8538, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-010-8538 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Cross-Sectional Height | 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.219 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2620-906X18PC11 | 5/9 Secondary reference Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| 2620-906X18PC11 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-00-010-8538 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-00-010-8538: Cross-Sectional Height: 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN; Center Hole Diameter: 0.219 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN; Material: PLASTIC POLYTETRAFLUOROETHYLENE. 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.