The O-Ring, cataloged under National Stock Number 5331-01-259-6535, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-259-6535 |
| Primary Part Number | 4074T92P01 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.106 INCHES NOMINAL IN |
| Center Hole Diameter | 0.542 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 4074T92P01 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 4074T92P01 PRIMARY | Dbr Industries, Inc. Dba Dbr Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 4074T92-01 | 5/9 Secondary reference U.S. Government activity |
| 4074T92-01 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 4074T92P01 | 1/2 Source control — Government-approved source U.S. Government activity |
| 2-113 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-01-259-6535 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-259-6535 has 2 manufacturer part numbers on file: 4074T92P01 (Parker-Hannifin Corp Div O-Ring Division), 4074T92P01 (Dbr Industries, Inc. Dba Dbr Industries Inc).
Key specifications for 4074T92P01: Cross-Sectional Height: 0.106 INCHES NOMINAL IN; Center Hole Diameter: 0.542 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN. 2 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.