The Cap,piston, cataloged under National Stock Number 4320-01-649-6216, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Tecnova Advanced Systems, Inc. Dba Tecnadyne Inc Div Tecnadyne, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cap,piston |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Tecnova Advanced Systems, Inc. Dba Tecnadyne Inc Div Tecnadyne, Inc. (CAGE 3EF79); Tecnova Advanced Systems, Inc. Dba Tecnova Advanced Systems Inc Div Tecnadyne (CAGE 4A7U8) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-649-6216 |
| Primary Part Number | 352-105 |
| Item Name | Cap,piston |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Tecnova Advanced Systems, Inc. Dba Tecnadyne Inc Div Tecnadyne, 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 |
|---|---|
| 352-105 PRIMARY | Tecnova Advanced Systems, Inc. Dba Tecnadyne Inc Div Tecnadyne, Inc. (USA) |
| 352-105 | Tecnova Advanced Systems, Inc. Dba Tecnova Advanced Systems Inc Div Tecnadyne (USA) |
| Reference | Meaning |
|---|---|
| 352-946 | D/9 Drawing number reference only Tecnova Advanced Systems, Inc. Dba Tecnova Advanced Systems Inc Div Tecnadyne |
| 352-946-3 | C/1 Advisory reference — outside the item-of-supply concept Tecnova Advanced Systems, Inc. Dba Tecnadyne Inc Div Tecnadyne, Inc. |
NSN 4320-01-649-6216 is a Cap,piston, manufactured by Tecnova Advanced Systems, Inc. Dba Tecnadyne Inc Div Tecnadyne, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-649-6216 has 2 manufacturer part numbers on file: 352-105 (Tecnova Advanced Systems, Inc. Dba Tecnadyne Inc Div Tecnadyne, Inc.), 352-105 (Tecnova Advanced Systems, Inc. Dba Tecnova Advanced Systems Inc Div Tecnadyne).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-649-6406, 4730-01-650-1730. Verify interchangeability with system specifications before substitution.
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.