The Oil Pan,hydraulic Pump, cataloged under National Stock Number 4320-01-302-6658, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Bourns Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-302-6658 |
| Primary Part Number | 43355 |
| Item Name | Oil Pan,hydraulic Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Bourns Inc |
| 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 |
|---|---|
| 711033-056 | Slce Watermakers (FRA) |
| 43355 PRIMARY | Bourns Inc (USA) |
| Reference | Meaning |
|---|---|
| 43355 | 5/9 Secondary reference Cat Pumps Corp |
NSN 4320-01-302-6658 is a Oil Pan,hydraulic Pump, manufactured by Bourns Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-302-6658 has 2 manufacturer part numbers on file: 711033-056 (Slce Watermakers), 43355 (Bourns Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-311-5530, 4810-01-373-5679. Verify interchangeability with system specifications before substitution.
Key specifications for 43355: End Item Identification: CAT SUPER FLOW PLUNGER PUMP. 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.