The O-Ring, cataloged under National Stock Number 5331-01-697-5079, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is American Packing and Gasket Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-697-5079 |
| Primary Part Number | H2.4X51.6 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | American Packing and Gasket Co |
| Status | ACTIVE |
| Cross-Sectional Height | 2.4 MILLIMETERS NOMINAL MM |
| Color | BLACK |
| Center Hole Diameter | 15.6 MILLIMETERS NOMINAL MM |
| Material | RUBBER BUTADIENE NITRILE |
| 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 |
|---|---|
| H2.4X51.6 PRIMARY | American Packing and Gasket Co (USA) |
| Reference | Meaning |
|---|---|
| H2.4X51.6 | 5/9 Secondary reference Usa Sealing, Inc. |
NSN 5331-01-697-5079 is a O-Ring, manufactured by American Packing and Gasket Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-697-5079 has 1 manufacturer part number on file: H2.4X51.6 (American Packing and Gasket Co).
Key specifications for H2.4X51.6: Cross-Sectional Height: 2.4 MILLIMETERS NOMINAL MM; Color: BLACK; Center Hole Diameter: 15.6 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: O-RING. 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.