The Filter Assembly,fluid, cataloged under National Stock Number 4330-01-650-1166, 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 Norman Filter Company, L.l.c. Dba Norman Filter Co Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-650-1166 |
| Primary Part Number | 4345AF-B25CL |
| Item Name | Filter Assembly,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Norman Filter Company, L.l.c. Dba Norman Filter Co Llc |
| Status | ACTIVE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Material | ALUMINUM ALLOY BODY |
| 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 |
|---|---|
| A83-12JN-12MD | American United Manufacturing, Llc Dba Demco Products (USA) |
| 4345AF-B25CL PRIMARY | Norman Filter Company, L.l.c. Dba Norman Filter Co Llc (USA) |
| Reference | Meaning |
|---|---|
| 4300-4400-ASSM | D/9 Drawing number reference only Norman Filter Company, L.l.c. Dba Norman Filter Co Llc |
NSN 4330-01-650-1166 is a Filter Assembly,fluid, manufactured by Norman Filter Company, L.l.c. Dba Norman Filter Co Llc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-650-1166 has 2 manufacturer part numbers on file: A83-12JN-12MD (American United Manufacturing, Llc Dba Demco Products), 4345AF-B25CL (Norman Filter Company, L.l.c. Dba Norman Filter Co Llc).
1 possible match (shared part number, not a government interchangeability claim): 4330-01-658-5382. Verify interchangeability with system specifications before substitution.
Key specifications for 4345AF-B25CL: Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Part Name Assigned by Controlling Agency: IN-LINE FILTER ASSEMBLY; End Item Identification: MK 105 MOD 4; Material: ALUMINUM ALLOY BODY. 2 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.