The Head,hydraulic Motor-Pump, cataloged under National Stock Number 4320-01-221-5652, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Viking Pump, Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-221-5652 |
| Primary Part Number | 3-375-004-60G |
| Item Name | Head,hydraulic Motor-Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Viking Pump, Inc |
| Status | ACTIVE |
| Material Document and Classification | MIL-M-16576 MIL SPEC 1ST MATERIAL RESPONSE AND QQ-A-624A FED SPEC 2ND MATERIAL RESPONSE AND AISI TYPE 304 ASSN STD 3RD MATERIAL RESPONSE A |
| Material | COPPER ALLOY AND STEEL AND STEEL CORROSION RESISTING |
| 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 |
|---|---|
| BA-1244-1 PIECE 13,14,15 | Viking Pump, Inc (USA) |
| 3-375-004-60G PRIMARY | Viking Pump, Inc (USA) |
| Reference | Meaning |
|---|---|
| BA-1244-1 | D/9 Drawing number reference only Viking Pump, Inc |
NSN 4320-01-221-5652 is a Head,hydraulic Motor-Pump, manufactured by Viking Pump, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-221-5652 has 2 manufacturer part numbers on file: BA-1244-1 PIECE 13,14,15 (Viking Pump, Inc), 3-375-004-60G (Viking Pump, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-222-0998. Verify interchangeability with system specifications before substitution.
Key specifications for 3-375-004-60G: Material Document and Classification: MIL-M-16576 MIL SPEC 1ST MATERIAL RESPONSE AND QQ-A-624A FED SPEC 2ND MATERIAL RESPONSE AND AISI TYPE 304 ASSN STD 3RD MATERIAL RESPONSE A; Material: COPPER ALLOY AND STEEL AND STEEL CORROSION RESISTING. 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.