The O-Ring, cataloged under National Stock Number 5331-01-562-1953, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Optex Systems, Inc Div Applied Optics Center. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-562-1953 |
| Primary Part Number | 39109347 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Optex Systems, Inc Div Applied Optics Center |
| Status | ACTIVE |
| 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 |
|---|---|
| 39109347 PRIMARY | Optex Systems, Inc Div Applied Optics Center (USA) |
| Reference | Meaning |
|---|---|
| 39109347 | 5/9 Secondary reference L3 Technologies, Inc. Dba Insight Technology Div Integrated Vision Solutions |
NSN 5331-01-562-1953 is a O-Ring, manufactured by Optex Systems, Inc Div Applied Optics Center, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-562-1953 has 1 manufacturer part number on file: 39109347 (Optex Systems, Inc Div Applied Optics Center).
Key specifications for 39109347: Part Name Assigned by Controlling Agency: O-RING,FORMED; End Item Identification: 5855-01-558-3616,INFANTRY WEAP NIGHT SIGHT-IMAGE INTENS. 0 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.