The O-Ring, cataloged under National Stock Number 5331-01-438-7351, 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 7 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-438-7351 |
| Primary Part Number | 966006-11C |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Criticality Code Justification | FEAT |
| Material Document and Classification | MIL-R-25988/1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Color | BLUE |
| Center Hole Diameter | 0.301 INCHES NOMINAL IN |
| Material | RUBBER FLUOROSILICONE CLASS FQ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 966006-11C | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 966006-11C | 5/9 Secondary reference Freudenberg-Nok General Partnership Dba International Seal Co Inc |
| M25988/1-011 | 5/1 Secondary reference U.S. Government activity |
| AS568-011/F80 | 5/9 Secondary reference Federal-Mogul Corp Government Sales Dept |
| AS568-011/1903-70 | 3/1 Design control — primary reference Parco, Llc |
| 966006-11C | 7/1 Vendor item drawing reference U.S. Government activity |
| 966006-11C | 5/9 Secondary reference Raytheon Company Dba Raytheon Co |
| 966006-11C | 5/9 Secondary reference Hutchinson Seal Corporation |
NSN 5331-01-438-7351 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-438-7351 has 1 manufacturer part number on file: 966006-11C (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 966006-11C: Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Criticality Code Justification: FEAT; Material Document and Classification: MIL-R-25988/1 MIL SPEC SINGLE MATERIAL RESPONSE. 7 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.