The O-Ring, cataloged under National Stock Number 5331-01-092-5506, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker Hannifin Corporation Div O-Ring Division. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-092-5506 |
| Primary Part Number | 123-7399 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker Hannifin Corporation Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 2.54 MILLIMETERS MINIMUM AND 2.70 MILLIMETERS MAXIMUM MM |
| Center Hole Diameter | 29.52 MILLIMETERS MINIMUM AND 30.12 MILLIMETERS MAXIMUM MM |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| AS568-123MIL-P-5510 | Sae International Dba Sae International (USA) |
| 123-7399 PRIMARY | Parker Hannifin Corporation Div O-Ring Division (USA) |
| N0507 2-123 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 2-123N507-90 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 2-123 N507-90 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| AS568-123MIL-P-5510 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-092-5506 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-092-5506 has 3 manufacturer part numbers on file: AS568-123MIL-P-5510 (Sae International Dba Sae International), 123-7399 (Parker Hannifin Corporation Div O-Ring Division), N0507 2-123 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 123-7399: Cross-Sectional Height: 2.54 MILLIMETERS MINIMUM AND 2.70 MILLIMETERS MAXIMUM MM; Center Hole Diameter: 29.52 MILLIMETERS MINIMUM AND 30.12 MILLIMETERS MAXIMUM MM; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.