The Pump,hand,acid, cataloged under National Stock Number 4320-01-446-3334, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Seque Infratech Inc. Div Seque Infratech Incorporation. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-446-3334 |
| Primary Part Number | CH1021 |
| Item Name | Pump,hand,acid |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Seque Infratech Inc. Div Seque Infratech Incorporation |
| 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 |
|---|---|
| CH1021 | Seque Infratech Inc. Div Seque Infratech Incorporation (USA) |
| DRM221 | New Pig Corporation (USA) |
| Reference | Meaning |
|---|---|
| 236PF3-S | 3/9 Design control — primary reference Beckson Industrial Products |
| DRM221J | 5/9 Secondary reference New Pig Corporation |
NSN 4320-01-446-3334 is a Pump,hand,acid, manufactured by Seque Infratech Inc. Div Seque Infratech Incorporation, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-446-3334 has 2 manufacturer part numbers on file: CH1021 (Seque Infratech Inc. Div Seque Infratech Incorporation), DRM221 (New Pig Corporation).
Key specifications for CH1021: End Item Identification: USED ON PVC PUMP WITH VITON VALVES AND SEALS TO MOVE ACIDS. 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.