The O-Ring, cataloged under National Stock Number 5331-01-593-5319, 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 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-593-5319 |
| Primary Part Number | S7426 53839S |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | -50.0 FAHRENHEIT AND 185.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 2.3 MILLIMETERS MINIMUM AND 2.5 MILLIMETERS MAXIMUM MM |
| Center Hole Diameter | 30.7 MILLIMETERS MINIMUM AND 31.7 MILLIMETERS MAXIMUM MM |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
|---|---|
| A026E013 | Cummins Power Generation Inc. (USA) |
| S7426 53839S PRIMARY | Parker-Hannifin Corporation Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 53839S | 5/9 Secondary reference Parker-Hannifin Corporation Div O-Ring Division |
NSN 5331-01-593-5319 is a O-Ring, manufactured by Parker-Hannifin Corporation Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-593-5319 has 2 manufacturer part numbers on file: A026E013 (Cummins Power Generation Inc.), S7426 53839S (Parker-Hannifin Corporation Div O-Ring Division).
Key specifications for S7426 53839S: Temp Rating: -50.0 FAHRENHEIT AND 185.0 FAHRENHEIT DEGF; Cross-Sectional Height: 2.3 MILLIMETERS MINIMUM AND 2.5 MILLIMETERS MAXIMUM MM; Center Hole Diameter: 30.7 MILLIMETERS MINIMUM AND 31.7 MILLIMETERS MAXIMUM MM; Part Name Assigned by Controlling Agency: SEAL, SQ RING 5KW. 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.