The O-Ring, cataloged under National Stock Number 5331-01-019-3244, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-019-3244 |
| Primary Part Number | 405945 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Outside Diameter | 1.711 INCHES NOMINAL IN |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 1.461 INCHES MINIMUM AND 1.489 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| 405945 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division (USA) |
| AS568-920MILG23652TY2 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS568-920MILG23652TY2 | 5/9 Secondary reference U.S. Government activity |
| ARP568-920MILG2 3652TY2 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-019-3244 is a O-Ring, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-019-3244 has 2 manufacturer part numbers on file: 405945 (Parker-Hannifin Corporation Dba Pneutronics Div Gear Pump Division), AS568-920MILG23652TY2 (Sae International Dba Sae International).
1 possible match (shared part number, not a government interchangeability claim): 5915-01-228-8895. Verify interchangeability with system specifications before substitution.
Key specifications for 405945: Cross-Sectional Height: 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN; Outside Diameter: 1.711 INCHES NOMINAL IN; Elongation Percentage: 125 MAXIMUM; Center Hole Diameter: 1.461 INCHES MINIMUM AND 1.489 INCHES MAXIMUM IN. 5 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.