The O-Ring, cataloged under National Stock Number 5331-00-763-0202, 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 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-763-0202 |
| Primary Part Number | ARP568-145-1091 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Jonal Laboratories Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Outside Diameter | 2.756 INCHES NOMINAL IN |
| Center Hole Diameter | 2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM 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 |
|---|---|
| ARP568-145-1091 PRIMARY | Jonal Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 17126-1 | 7/2 Vendor item drawing reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| 17126-1 | 5/9 Secondary reference Howden Fluid Systems |
NSN 5331-00-763-0202 is a O-Ring, manufactured by Jonal Laboratories Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-763-0202 has 1 manufacturer part number on file: ARP568-145-1091 (Jonal Laboratories Inc).
Key specifications for ARP568-145-1091: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN; Outside Diameter: 2.756 INCHES NOMINAL IN; Center Hole Diameter: 2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN; Material: RUBBER. 4 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.