The O-Ring, cataloged under National Stock Number 5331-01-545-0599, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Eaton Corporation Dba Eaton Inoac. 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 | 5331-01-545-0599 |
| Primary Part Number | 221266 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Eaton Corporation Dba Eaton Inoac |
| Status | ACTIVE |
| Cross-Sectional Height | 0.152 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.710 INCHES MINIMUM AND 2.758 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 221266 PRIMARY | Eaton Corporation Dba Eaton Inoac (USA) |
NSN 5331-01-545-0599 is a O-Ring, manufactured by Eaton Corporation Dba Eaton Inoac, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-545-0599 has 1 manufacturer part number on file: 221266 (Eaton Corporation Dba Eaton Inoac).
Key specifications for 221266: Cross-Sectional Height: 0.152 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN; Center Hole Diameter: 2.710 INCHES MINIMUM AND 2.758 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: O-RING; End Item Identification: MALE ADAPTER. 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.