The O-Ring, cataloged under National Stock Number 5331-00-451-9179, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Industrial Seal of Texas, Inc Dba Industrial Seal, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-451-9179 |
| Primary Part Number | 000-450-00ML |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Industrial Seal of Texas, Inc Dba Industrial Seal, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Outside Diameter | 11.025 INCHES NOMINAL IN |
| Center Hole Diameter | 10.445 INCHES MINIMUM AND 10.505 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 000-450-00ML PRIMARY | Industrial Seal of Texas, Inc Dba Industrial Seal, Inc. (USA) |
| Reference | Meaning |
|---|---|
| ARP568-450IDSA6865-68 | 3/9 Design control — primary reference Freudenberg-Nok General Partnership |
| 4529331PC3 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 4529331PC3 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5331-00-451-9179 is a O-Ring, manufactured by Industrial Seal of Texas, Inc Dba Industrial Seal, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-451-9179 has 1 manufacturer part number on file: 000-450-00ML (Industrial Seal of Texas, Inc Dba Industrial Seal, Inc.).
Key specifications for 000-450-00ML: Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Outside Diameter: 11.025 INCHES NOMINAL IN; Center Hole Diameter: 10.445 INCHES MINIMUM AND 10.505 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 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.