The Filter,light, cataloged under National Stock Number 4330-00-972-8640, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Filter,light |
| FSC / FSG | 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters (FSG 43) |
| Manufacturers | L3 Technologies, Inc. Div L3 Keo (CAGE 34228); Northrop Grumman Systems Corporation (CAGE 03956) |
| Parameter | Value |
|---|---|
| NSN | 4330-00-972-8640 |
| Primary Part Number | A548-481 |
| Item Name | Filter,light |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| 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 |
|---|---|
| A547-481 | L3 Technologies, Inc. Div L3 Keo (USA) |
| A548-481 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| 547A002923 | Northrop Grumman Systems Corporation (USA) |
| 002923 | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| A-547.481 | C/1 Advisory reference — outside the item-of-supply concept L3 Technologies, Inc. Div L3 Keo |
| 547A002923 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 4330-00-972-8640 is a Filter,light, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-00-972-8640 has 4 manufacturer part numbers on file: A547-481 (L3 Technologies, Inc. Div L3 Keo), A548-481 (L3 Technologies, Inc. Div L3 Keo), 547A002923 (Northrop Grumman Systems Corporation), 002923 (L3 Technologies, Inc. Div L3 Keo).
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-072-7831, 5340-01-324-0955. 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.