The O-Ring, cataloged under National Stock Number 5331-01-517-0356, 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 Tube Fittings Division. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-517-0356 |
| Primary Part Number | 3-902 N0052-90 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.060 INCHES NOMINAL IN |
| Center Hole Diameter | 0.240 INCHES NOMINAL 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 |
|---|---|
| 3-902 N0052-90 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| Reference | Meaning |
|---|---|
| 2HA12 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
| 2HA12 | 3/9 Design control — primary reference Oshkosh Corp |
NSN 5331-01-517-0356 is a O-Ring, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-517-0356 has 1 manufacturer part number on file: 3-902 N0052-90 (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
Key specifications for 3-902 N0052-90: Cross-Sectional Height: 0.060 INCHES NOMINAL IN; Special Features: 0.125INCH OUTSIDE DIAMETER IN; Center Hole Diameter: 0.240 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: O RING. 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.