The O-Ring, cataloged under National Stock Number 5331-01-419-6549, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Gems Sensors & Controls. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-419-6549 |
| Primary Part Number | 851-0049 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Gems Sensors & Controls |
| 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 |
|---|---|
| 851-0049 | Gems Sensors & Controls (GBR) |
| 25141-219-STD | Gems Sensors & Controls (GBR) |
| Reference | Meaning |
|---|---|
| 25141-219-STD | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-419-6549 is a O-Ring, manufactured by Gems Sensors & Controls, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-419-6549 has 2 manufacturer part numbers on file: 851-0049 (Gems Sensors & Controls), 25141-219-STD (Gems Sensors & Controls).
Key specifications for 851-0049: End Item Identification: SPARES FOR 7947M3H03-Q1-VALVE. 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.