The Filter,duplex, cataloged under National Stock Number 2945-01-561-1789, is classified within Federal Supply Class 2945 (Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Pall Aeropower Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2945-01-561-1789 |
| Primary Part Number | HH8670D20KZUBB |
| Item Name | Filter,duplex |
| FSC / FSG | 2945 / 29 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving |
| Manufacturer | Pall Aeropower Corporation |
| 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 |
|---|---|
| HH8670D20KZUBB PRIMARY | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| HH8670D20KPUBBT | 5/9 Secondary reference Pall Aeropower Corporation |
| HH8670D20KPUBB | 5/9 Secondary reference Pall Aeropower Corporation |
| E1319273 REV D/HH8670D20KPUBBT | 5/9 Secondary reference Pall Aeropower Corporation |
| AUST-03 ITEM NO 5 | 5/9 Secondary reference C. H. & E. Manufacturing Co. Inc Div Abs Dewatering |
NSN 2945-01-561-1789 is a Filter,duplex, manufactured by Pall Aeropower Corporation, classified under FSC 2945, Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving. Status: active.
NSN 2945-01-561-1789 has 1 manufacturer part number on file: HH8670D20KZUBB (Pall Aeropower Corporation).
Key specifications for HH8670D20KZUBB: Overall Height: 10.500 INCHES NOMINAL IN; Overall Length: 23.190 INCHES NOMINAL IN; Overall Width: 11.700 INCHES NOMINAL IN; Special Features: DUPLEX FILTER SYSTEM HAVING 3 FILTER ELEMENTS; HAVING FLOW RATE OF 50 GPM; MAXIMUM WORKABLE PRESSURE OF 1200 PSI, WITH A TYPICAL BURST PRESSURE OF 5500 PSI; HAS FOUR THREADED MOUNTING HOLES OF 1/2" X 13 UNC 2B. 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.