The Head,hydraulic Motor-Pump, cataloged under National Stock Number 4320-01-274-1898, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Pentair Pump Group, Inc. Dba Fairbanks Morse Pump. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-274-1898 |
| Primary Part Number | F1A33H |
| Item Name | Head,hydraulic Motor-Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 99F1A-AK PIECE 33 | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA) |
| F1A33H PRIMARY | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA) |
| Reference | Meaning |
|---|---|
| 99F1A-AK | D/9 Drawing number reference only Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
NSN 4320-01-274-1898 is a Head,hydraulic Motor-Pump, manufactured by Pentair Pump Group, Inc. Dba Fairbanks Morse Pump, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-274-1898 has 2 manufacturer part numbers on file: 99F1A-AK PIECE 33 (Pentair Pump Group, Inc. Dba Fairbanks Morse Pump), F1A33H (Pentair Pump Group, Inc. Dba Fairbanks Morse Pump).
Key specifications for F1A33H: Special Features: W/PROVISIONS FOR 2 EA. THD HOLE 1/4-20 AND 8 EA. THD HOLE 3/8-16;FLANGED PORT CONNECTION; End Item Identification: CENTRIFUGAL PUMP FAIRBANKS MORSE PUMP CORP,MODEL 2N; Material: COPPER ALLOY. 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.