The Cup,baffle,air, cataloged under National Stock Number 4330-01-682-6174, 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 Liquid Controls, L.l.c. Div Idex Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-682-6174 |
| Primary Part Number | 48421 |
| Item Name | Cup,baffle,air |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Liquid Controls, L.l.c. Div Idex Corporation |
| Status | ACTIVE |
| Overall Diameter | 4.5 INCHES NOMINAL IN |
| 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 |
|---|---|
| 48421 PRIMARY | Liquid Controls, L.l.c. Div Idex Corporation (USA) |
| Reference | Meaning |
|---|---|
| 4444889 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 4330-01-682-6174 is a Cup,baffle,air, manufactured by Liquid Controls, L.l.c. Div Idex Corporation, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-682-6174 has 1 manufacturer part number on file: 48421 (Liquid Controls, L.l.c. Div Idex Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-685-3183. Verify interchangeability with system specifications before substitution.
Key specifications for 48421: Overall Height: 3.437 INCHES NOMINAL IN; Overall Diameter: 4.5 INCHES NOMINAL IN; Special Features: MATERIAL GLASS FILLED POLYPROPYLENE; Part Name Assigned by Controlling Agency: CUP, BAFFLE, AIR ELIMINATOR. 1 specification is 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.