The O-Ring, cataloged under National Stock Number 5331-01-431-0394, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-431-0394 |
| Primary Part Number | 592-6940641-101 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Cross-Sectional Height | 9.52 MILLIMETERS NOMINAL MM |
| Material Document and Classification | MIL-G-21569 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 669.95 MILLIMETERS MINIMUM AND 676.05 MILLIMETERS MAXIMUM MM |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 592-6940641-101 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| MIL-R-83248/1 | 5/9 Secondary reference U.S. Government activity |
| V884-75 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-01-431-0394 is a O-Ring, manufactured by Naval Sea Systems Command, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-431-0394 has 1 manufacturer part number on file: 592-6940641-101 (Naval Sea Systems Command).
Key specifications for 592-6940641-101: Cross-Sectional Height: 9.52 MILLIMETERS NOMINAL MM; Material Document and Classification: MIL-G-21569 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE; Center Hole Diameter: 669.95 MILLIMETERS MINIMUM AND 676.05 MILLIMETERS MAXIMUM MM; Material: RUBBER SYNTHETIC. 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.