The O-Ring, cataloged under National Stock Number 5331-01-546-3448, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division. The record lists 2 manufacturer part numbers 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 | Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division (CAGE 7J998); Safran Power Units Dallas, Inc. (CAGE 64460) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-546-3448 |
| Primary Part Number | 1C401-56 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 1C401-56 PRIMARY | Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division (USA) |
| 2510105202 | Safran Power Units Dallas, Inc. (USA) |
NSN 5331-01-546-3448 is a O-Ring, manufactured by Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-546-3448 has 2 manufacturer part numbers on file: 1C401-56 (Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division), 2510105202 (Safran Power Units Dallas, Inc.).
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.