The O-Ring, cataloged under National Stock Number 5331-01-008-6819, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Jonal Laboratories Inc. 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 | 5331-01-008-6819 |
| Primary Part Number | ST1000-121 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Jonal Laboratories Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.043 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| ST1000-121 PRIMARY | Jonal Laboratories Inc (USA) |
NSN 5331-01-008-6819 is a O-Ring, manufactured by Jonal Laboratories Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-008-6819 has 1 manufacturer part number on file: ST1000-121 (Jonal Laboratories Inc).
Key specifications for ST1000-121: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 1.043 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM. 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.