The O-Ring, cataloged under National Stock Number 5331-01-546-3449, 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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-546-3449 |
| Primary Part Number | 1C401-54 |
| 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) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1C401-54 PRIMARY | Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division (USA) |
| 2509A00954 | Safran Power Units Dallas, Inc. (USA) |
NSN 5331-01-546-3449 is a O-Ring, manufactured by Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-546-3449 has 2 manufacturer part numbers on file: 1C401-54 (Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division), 2509A00954 (Safran Power Units Dallas, Inc.).
Key specifications for 1C401-54: Special Features: ACTION ID 45529945; Part Name Assigned by Controlling Agency: O-RING. 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.