The Plate,back Up,pump, cataloged under National Stock Number 4320-01-286-3272, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Neptune Chemical Pump Co Div of R a Industries Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-286-3272 |
| Primary Part Number | 000194 |
| Item Name | Plate,back Up,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Neptune Chemical Pump Co Div of R a Industries Inc |
| Status | ACTIVE |
| General Characteristics Item Description | CAST IRON |
| 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 |
|---|---|
| 000194 PRIMARY | Neptune Chemical Pump Co Div of R a Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 000197 | 5/9 Secondary reference Neptune Chemical Pump Co Div of R a Industries Inc |
| 531 | 5/9 Secondary reference Neptune Chemical Pump Co Div of R a Industries Inc |
NSN 4320-01-286-3272 is a Plate,back Up,pump, manufactured by Neptune Chemical Pump Co Div of R a Industries Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-286-3272 has 1 manufacturer part number on file: 000194 (Neptune Chemical Pump Co Div of R a Industries Inc).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-472-8766, 6515-01-474-1038. Verify interchangeability with system specifications before substitution.
Key specifications for 000194: General Characteristics Item Description: CAST IRON; End Item Identification: NEPTUNE CHEMICAL PUMP CO SERIES 500 AND 500A RECIPROCATING PUMPS A. 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.