The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-553-4606, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Value Plastics, Inc. Div Nordson Medical. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-553-4606 |
| Primary Part Number | VPB1000079 |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Value Plastics, Inc. Div Nordson Medical |
| Status | ACTIVE |
| End Connection Quantity | 3 |
| 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 |
|---|---|
| VPB1000079 PRIMARY | Value Plastics, Inc. Div Nordson Medical (USA) |
| 7550478-DES-021704-19 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| DES-021704-19 | 5/2 Secondary reference U.S. Government activity |
| G547-0002-DES-021704-19 | 5/2 Secondary reference U.S. Government activity |
| 7550478 | D/9 Drawing number reference only Naval Sea Systems Command |
| DES-021704 ITEM 19 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-553-4606 is a Valve,linear,directional Control, manufactured by Value Plastics, Inc. Div Nordson Medical, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-553-4606 has 2 manufacturer part numbers on file: VPB1000079 (Value Plastics, Inc. Div Nordson Medical), 7550478-DES-021704-19 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 6685-01-554-8812, 6685-01-554-8821, 5365-01-559-3131. Verify interchangeability with system specifications before substitution.
Key specifications for VPB1000079: End Connection Quantity: 3; Special Features: 3-WAY VALVE WITH 2 FEMALE LUER ARMS AND 1 MALE SLIP LUER ARM; Part Name Assigned by Controlling Agency: VALVE, THREE-WAY; End Item Identification: SSGN TRIDENT CONVERSION. 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.