The O-Ring, cataloged under National Stock Number 5331-01-453-4309, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-453-4309 |
| Primary Part Number | S6161-S6-FSE-010FIG6 IT 4 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Center Hole Diameter | 4.459 INCHES MINIMUM AND 4.519 INCHES MAXIMUM 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 |
|---|---|
| S6161-S6-FSE-010FIG6 IT 4 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1064514 | 5/2 Secondary reference U.S. Government activity |
NSN 5331-01-453-4309 is a O-Ring, manufactured by Naval Sea Systems Command, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-453-4309 has 1 manufacturer part number on file: S6161-S6-FSE-010FIG6 IT 4 (Naval Sea Systems Command).
Key specifications for S6161-S6-FSE-010FIG6 IT 4: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Center Hole Diameter: 4.459 INCHES MINIMUM AND 4.519 INCHES MAXIMUM IN. 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.