The Ray Filter Assembly, cataloged under National Stock Number 2040-00-778-0117, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ray Filter Assembly |
| FSC / FSG | 2040 — Marine Hardware and Hull Items (FSG 20) |
| Manufacturers | Northrop Grumman Systems Corporation (CAGE 03956); L3 Technologies, Inc. Div L3 Keo (CAGE 34228) |
| Parameter | Value |
|---|---|
| NSN | 2040-00-778-0117 |
| Primary Part Number | 003193 |
| Item Name | Ray Filter Assembly |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| 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 |
|---|---|
| 547A003193 | Northrop Grumman Systems Corporation (USA) |
| 003193 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| A547-752 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 547A003193 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 2040-00-778-0117 is a Ray Filter Assembly, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-00-778-0117 has 3 manufacturer part numbers on file: 547A003193 (Northrop Grumman Systems Corporation), 003193 (L3 Technologies, Inc. Div L3 Keo), A547-752 (L3 Technologies, Inc. Div L3 Keo).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-265-8852. Verify interchangeability with system specifications before substitution.
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.