The O-Ring, cataloged under National Stock Number 5331-01-686-5949, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Bma Buizza Mazzei Agency Srl. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-686-5949 |
| Primary Part Number | 276173 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bma Buizza Mazzei Agency Srl |
| 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 |
|---|---|
| 276173 | Bma Buizza Mazzei Agency Srl (ITA) |
| Reference | Meaning |
|---|---|
| 276173 | 3/1 Design control — primary reference Elbit Systems of America - Night Vision Llc |
NSN 5331-01-686-5949 is a O-Ring, manufactured by Bma Buizza Mazzei Agency Srl, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-686-5949 has 1 manufacturer part number on file: 276173 (Bma Buizza Mazzei Agency Srl).
Key specifications for 276173: End Item Identification: PDR TM-NVG. 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.