The O-Ring, cataloged under National Stock Number 5331-01-725-4783, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ultralife Corp Div Communications Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Ultralife Corp Div Communications Systems (CAGE 6LBA7) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-725-4783 |
| Primary Part Number | 1615-300-304 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ultralife Corp Div Communications Systems |
| 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 |
|---|---|
| 1615-300-304 PRIMARY | Ultralife Corp Div Communications Systems (USA) |
NSN 5331-01-725-4783 is a O-Ring, manufactured by Ultralife Corp Div Communications Systems, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-725-4783 has 1 manufacturer part number on file: 1615-300-304 (Ultralife Corp Div Communications Systems).
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.